Home / 99,146,292.62-136,779,438.20-61,911,929.57

Finding the Fourth Proportional to 99,146,292.62, 136,779,438.20 and 61,911,929.57

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Solution

The fourth proportional to 99,146,292.62, 136,779,438.20 and 61,911,929.57 is: 85,411,957.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,146,292.62 : 136,779,438.20 = 61,911,929.57 : x
  2. Step 2: Convert to fraction form
    99,146,292.62/136,779,438.20 = 61,911,929.57/x
  3. Step 3: Cross multiply
    99,146,292.62x = 136,779,438.20 × 61,911,929.57
  4. Step 4: Simplify right side
    99,146,292.62x = 8,468,278,943,469,110
  5. Step 5: Solve for x
    x = 8,468,278,943,469,110/99,146,292.62
  6. Step 6: Final answer
    x = 85,411,957.62

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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.