Home / 72,774,930.60-109,162,395.90-38,762,706.60

Finding the Fourth Proportional to 72,774,930.60, 109,162,395.90 and 38,762,706.60

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Solution

The fourth proportional to 72,774,930.60, 109,162,395.90 and 38,762,706.60 is: 58,144,059.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,774,930.60 : 109,162,395.90 = 38,762,706.60 : x
  2. Step 2: Convert to fraction form
    72,774,930.60/109,162,395.90 = 38,762,706.60/x
  3. Step 3: Cross multiply
    72,774,930.60x = 109,162,395.90 × 38,762,706.60
  4. Step 4: Simplify right side
    72,774,930.60x = 4,231,429,924,024,743.50
  5. Step 5: Solve for x
    x = 4,231,429,924,024,743.50/72,774,930.60
  6. Step 6: Final answer
    x = 58,144,059.90

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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.