Home / 66,502,906.40-99,699,063.60-28,193,837.60

Finding the Fourth Proportional to 66,502,906.40, 99,699,063.60 and 28,193,837.60

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Solution

The fourth proportional to 66,502,906.40, 99,699,063.60 and 28,193,837.60 is: 42,267,313.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,502,906.40 : 99,699,063.60 = 28,193,837.60 : x
  2. Step 2: Convert to fraction form
    66,502,906.40/99,699,063.60 = 28,193,837.60/x
  3. Step 3: Cross multiply
    66,502,906.40x = 99,699,063.60 × 28,193,837.60
  4. Step 4: Simplify right side
    66,502,906.40x = 2,810,899,208,010,471.50
  5. Step 5: Solve for x
    x = 2,810,899,208,010,471.50/66,502,906.40
  6. Step 6: Final answer
    x = 42,267,313.72

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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.