Home / 141,647,812.16-212,385,170.46-67,894,160.28

Finding the Fourth Proportional to 141,647,812.16, 212,385,170.46 and 67,894,160.28

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Solution

The fourth proportional to 141,647,812.16, 212,385,170.46 and 67,894,160.28 is: 101,799,756.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,647,812.16 : 212,385,170.46 = 67,894,160.28 : x
  2. Step 2: Convert to fraction form
    141,647,812.16/212,385,170.46 = 67,894,160.28/x
  3. Step 3: Cross multiply
    141,647,812.16x = 212,385,170.46 × 67,894,160.28
  4. Step 4: Simplify right side
    141,647,812.16x = 14,419,712,804,306,362
  5. Step 5: Solve for x
    x = 14,419,712,804,306,362/141,647,812.16
  6. Step 6: Final answer
    x = 101,799,756.62

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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.