Home / 83,664,009.20-125,160,090.60-72,429,244.40

Finding the Fourth Proportional to 83,664,009.20, 125,160,090.60 and 72,429,244.40

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Solution

The fourth proportional to 83,664,009.20, 125,160,090.60 and 72,429,244.40 is: 108,353,052.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,664,009.20 : 125,160,090.60 = 72,429,244.40 : x
  2. Step 2: Convert to fraction form
    83,664,009.20/125,160,090.60 = 72,429,244.40/x
  3. Step 3: Cross multiply
    83,664,009.20x = 125,160,090.60 × 72,429,244.40
  4. Step 4: Simplify right side
    83,664,009.20x = 9,065,250,791,193,542
  5. Step 5: Solve for x
    x = 9,065,250,791,193,542/83,664,009.20
  6. Step 6: Final answer
    x = 108,353,052.62

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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.