Home / 80,402,921.60-120,545,584.90-25,784,417.27

Finding the Fourth Proportional to 80,402,921.60, 120,545,584.90 and 25,784,417.27

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Solution

The fourth proportional to 80,402,921.60, 120,545,584.90 and 25,784,417.27 is: 38,657,770.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,402,921.60 : 120,545,584.90 = 25,784,417.27 : x
  2. Step 2: Convert to fraction form
    80,402,921.60/120,545,584.90 = 25,784,417.27/x
  3. Step 3: Cross multiply
    80,402,921.60x = 120,545,584.90 × 25,784,417.27
  4. Step 4: Simplify right side
    80,402,921.60x = 3,108,197,661,354,714
  5. Step 5: Solve for x
    x = 3,108,197,661,354,714/80,402,921.60
  6. Step 6: Final answer
    x = 38,657,770.14

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1.5x scale

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.