Home / 66,441,806.30-99,662,709.45-30,609,998.30

Finding the Fourth Proportional to 66,441,806.30, 99,662,709.45 and 30,609,998.30

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Solution

The fourth proportional to 66,441,806.30, 99,662,709.45 and 30,609,998.30 is: 45,914,997.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,441,806.30 : 99,662,709.45 = 30,609,998.30 : x
  2. Step 2: Convert to fraction form
    66,441,806.30/99,662,709.45 = 30,609,998.30/x
  3. Step 3: Cross multiply
    66,441,806.30x = 99,662,709.45 × 30,609,998.30
  4. Step 4: Simplify right side
    66,441,806.30x = 3,050,675,366,837,894
  5. Step 5: Solve for x
    x = 3,050,675,366,837,894/66,441,806.30
  6. Step 6: Final answer
    x = 45,914,997.45

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Half scale
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Double scale
Find fourth proportional to 66,441,807.30, 99,662,710.95 and 30,609,999.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.