Home / 111,487,748.60-167,231,622.90-72,745,699.70

Finding the Fourth Proportional to 111,487,748.60, 167,231,622.90 and 72,745,699.70

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Solution

The fourth proportional to 111,487,748.60, 167,231,622.90 and 72,745,699.70 is: 109,118,549.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,487,748.60 : 167,231,622.90 = 72,745,699.70 : x
  2. Step 2: Convert to fraction form
    111,487,748.60/167,231,622.90 = 72,745,699.70/x
  3. Step 3: Cross multiply
    111,487,748.60x = 167,231,622.90 × 72,745,699.70
  4. Step 4: Simplify right side
    111,487,748.60x = 12,165,381,419,827,044
  5. Step 5: Solve for x
    x = 12,165,381,419,827,044/111,487,748.60
  6. Step 6: Final answer
    x = 109,118,549.55

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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.