Home / 65,813,939,178.53-98,689,788,616.17-25,495,674,851.21

Finding the Fourth Proportional to 65,813,939,178.53, 98,689,788,616.17 and 25,495,674,851.21

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Solution

The fourth proportional to 65,813,939,178.53, 98,689,788,616.17 and 25,495,674,851.21 is: 38,231,456,635.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,813,939,178.53 : 98,689,788,616.17 = 25,495,674,851.21 : x
  2. Step 2: Convert to fraction form
    65,813,939,178.53/98,689,788,616.17 = 25,495,674,851.21/x
  3. Step 3: Cross multiply
    65,813,939,178.53x = 98,689,788,616.17 × 25,495,674,851.21
  4. Step 4: Simplify right side
    65,813,939,178.53x = 2,516,162,761,692,023,357,440
  5. Step 5: Solve for x
    x = 2,516,162,761,692,023,357,440/65,813,939,178.53
  6. Step 6: Final answer
    x = 38,231,456,635.15

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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.