Home / 168,127,235.20-252,226,282.20-53,123,402.80

Finding the Fourth Proportional to 168,127,235.20, 252,226,282.20 and 53,123,402.80

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Solution

The fourth proportional to 168,127,235.20, 252,226,282.20 and 53,123,402.80 is: 79,696,298.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,127,235.20 : 252,226,282.20 = 53,123,402.80 : x
  2. Step 2: Convert to fraction form
    168,127,235.20/252,226,282.20 = 53,123,402.80/x
  3. Step 3: Cross multiply
    168,127,235.20x = 252,226,282.20 × 53,123,402.80
  4. Step 4: Simplify right side
    168,127,235.20x = 13,399,118,386,057,068
  5. Step 5: Solve for x
    x = 13,399,118,386,057,068/168,127,235.20
  6. Step 6: Final answer
    x = 79,696,298.88

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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.