Home / 111,488,190.10-167,232,285.15-72,746,141.20

Finding the Fourth Proportional to 111,488,190.10, 167,232,285.15 and 72,746,141.20

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Solution

The fourth proportional to 111,488,190.10, 167,232,285.15 and 72,746,141.20 is: 109,119,211.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,488,190.10 : 167,232,285.15 = 72,746,141.20 : x
  2. Step 2: Convert to fraction form
    111,488,190.10/167,232,285.15 = 72,746,141.20/x
  3. Step 3: Cross multiply
    111,488,190.10x = 167,232,285.15 × 72,746,141.20
  4. Step 4: Simplify right side
    111,488,190.10x = 12,165,503,428,720,564
  5. Step 5: Solve for x
    x = 12,165,503,428,720,564/111,488,190.10
  6. Step 6: Final answer
    x = 109,119,211.80

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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.