Home / 81,730,294.25-122,625,334.96-38,031,893.75

Finding the Fourth Proportional to 81,730,294.25, 122,625,334.96 and 38,031,893.75

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Solution

The fourth proportional to 81,730,294.25, 122,625,334.96 and 38,031,893.75 is: 57,061,751.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,730,294.25 : 122,625,334.96 = 38,031,893.75 : x
  2. Step 2: Convert to fraction form
    81,730,294.25/122,625,334.96 = 38,031,893.75/x
  3. Step 3: Cross multiply
    81,730,294.25x = 122,625,334.96 × 38,031,893.75
  4. Step 4: Simplify right side
    81,730,294.25x = 4,663,673,710,468,364
  5. Step 5: Solve for x
    x = 4,663,673,710,468,364/81,730,294.25
  6. Step 6: Final answer
    x = 57,061,751.14

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