Home / 72,761,516.90-109,157,438.55-24,254,440.10

Finding the Fourth Proportional to 72,761,516.90, 109,157,438.55 and 24,254,440.10

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Solution

The fourth proportional to 72,761,516.90, 109,157,438.55 and 24,254,440.10 is: 36,386,714.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,761,516.90 : 109,157,438.55 = 24,254,440.10 : x
  2. Step 2: Convert to fraction form
    72,761,516.90/109,157,438.55 = 24,254,440.10/x
  3. Step 3: Cross multiply
    72,761,516.90x = 109,157,438.55 × 24,254,440.10
  4. Step 4: Simplify right side
    72,761,516.90x = 2,647,552,554,780,406
  5. Step 5: Solve for x
    x = 2,647,552,554,780,406/72,761,516.90
  6. Step 6: Final answer
    x = 36,386,714.68

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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.