Home / 82,788,123.60-124,209,823.14-36,723,637.71

Finding the Fourth Proportional to 82,788,123.60, 124,209,823.14 and 36,723,637.71

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Solution

The fourth proportional to 82,788,123.60, 124,209,823.14 and 36,723,637.71 is: 55,097,716.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,788,123.60 : 124,209,823.14 = 36,723,637.71 : x
  2. Step 2: Convert to fraction form
    82,788,123.60/124,209,823.14 = 36,723,637.71/x
  3. Step 3: Cross multiply
    82,788,123.60x = 124,209,823.14 × 36,723,637.71
  4. Step 4: Simplify right side
    82,788,123.60x = 4,561,436,545,016,535
  5. Step 5: Solve for x
    x = 4,561,436,545,016,535/82,788,123.60
  6. Step 6: Final answer
    x = 55,097,716.27

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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.