Home / 111,487,764.60-167,231,646.90-72,745,715.70

Finding the Fourth Proportional to 111,487,764.60, 167,231,646.90 and 72,745,715.70

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Solution

The fourth proportional to 111,487,764.60, 167,231,646.90 and 72,745,715.70 is: 109,118,573.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,487,764.60 : 167,231,646.90 = 72,745,715.70 : x
  2. Step 2: Convert to fraction form
    111,487,764.60/167,231,646.90 = 72,745,715.70/x
  3. Step 3: Cross multiply
    111,487,764.60x = 167,231,646.90 × 72,745,715.70
  4. Step 4: Simplify right side
    111,487,764.60x = 12,165,385,841,430,188
  5. Step 5: Solve for x
    x = 12,165,385,841,430,188/111,487,764.60
  6. Step 6: Final answer
    x = 109,118,573.55

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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.