Home / 66,441,801.30-99,662,701.95-30,609,993.30

Finding the Fourth Proportional to 66,441,801.30, 99,662,701.95 and 30,609,993.30

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Solution

The fourth proportional to 66,441,801.30, 99,662,701.95 and 30,609,993.30 is: 45,914,989.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,441,801.30 : 99,662,701.95 = 30,609,993.30 : x
  2. Step 2: Convert to fraction form
    66,441,801.30/99,662,701.95 = 30,609,993.30/x
  3. Step 3: Cross multiply
    66,441,801.30x = 99,662,701.95 × 30,609,993.30
  4. Step 4: Simplify right side
    66,441,801.30x = 3,050,674,638,949,397
  5. Step 5: Solve for x
    x = 3,050,674,638,949,397/66,441,801.30
  6. Step 6: Final answer
    x = 45,914,989.95

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Double scale
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Similar ratio
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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.