Home / 103,998,575.72-155,905,353.18-49,377,463.40

Finding the Fourth Proportional to 103,998,575.72, 155,905,353.18 and 49,377,463.40

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Solution

The fourth proportional to 103,998,575.72, 155,905,353.18 and 49,377,463.40 is: 74,022,272.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,998,575.72 : 155,905,353.18 = 49,377,463.40 : x
  2. Step 2: Convert to fraction form
    103,998,575.72/155,905,353.18 = 49,377,463.40/x
  3. Step 3: Cross multiply
    103,998,575.72x = 155,905,353.18 × 49,377,463.40
  4. Step 4: Simplify right side
    103,998,575.72x = 7,698,210,870,509,524
  5. Step 5: Solve for x
    x = 7,698,210,870,509,524/103,998,575.72
  6. Step 6: Final answer
    x = 74,022,272.11

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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.