Home / 50,154,139.20-69,213,213.45-28,127,165.70

Finding the Fourth Proportional to 50,154,139.20, 69,213,213.45 and 28,127,165.70

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Solution

The fourth proportional to 50,154,139.20, 69,213,213.45 and 28,127,165.70 is: 38,815,769.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,154,139.20 : 69,213,213.45 = 28,127,165.70 : x
  2. Step 2: Convert to fraction form
    50,154,139.20/69,213,213.45 = 28,127,165.70/x
  3. Step 3: Cross multiply
    50,154,139.20x = 69,213,213.45 × 28,127,165.70
  4. Step 4: Simplify right side
    50,154,139.20x = 1,946,771,523,337,618.75
  5. Step 5: Solve for x
    x = 1,946,771,523,337,618.75/50,154,139.20
  6. Step 6: Final answer
    x = 38,815,769.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.