Home / 103,553,811.72-155,290,345.56-38,822,329.62

Finding the Fourth Proportional to 103,553,811.72, 155,290,345.56 and 38,822,329.62

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Solution

The fourth proportional to 103,553,811.72, 155,290,345.56 and 38,822,329.62 is: 58,218,358.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,553,811.72 : 155,290,345.56 = 38,822,329.62 : x
  2. Step 2: Convert to fraction form
    103,553,811.72/155,290,345.56 = 38,822,329.62/x
  3. Step 3: Cross multiply
    103,553,811.72x = 155,290,345.56 × 38,822,329.62
  4. Step 4: Simplify right side
    103,553,811.72x = 6,028,732,982,134,023
  5. Step 5: Solve for x
    x = 6,028,732,982,134,023/103,553,811.72
  6. Step 6: Final answer
    x = 58,218,358.96

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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.