Home / 102,400,755.85-141,326,867.60-57,755,892.12

Finding the Fourth Proportional to 102,400,755.85, 141,326,867.60 and 57,755,892.12

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Solution

The fourth proportional to 102,400,755.85, 141,326,867.60 and 57,755,892.12 is: 79,710,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,400,755.85 : 141,326,867.60 = 57,755,892.12 : x
  2. Step 2: Convert to fraction form
    102,400,755.85/141,326,867.60 = 57,755,892.12/x
  3. Step 3: Cross multiply
    102,400,755.85x = 141,326,867.60 × 57,755,892.12
  4. Step 4: Simplify right side
    102,400,755.85x = 8,162,459,317,944,368
  5. Step 5: Solve for x
    x = 8,162,459,317,944,368/102,400,755.85
  6. Step 6: Final answer
    x = 79,710,928.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.