Home / 103,948,570.62-155,869,084.89-45,632,380.86

Finding the Fourth Proportional to 103,948,570.62, 155,869,084.89 and 45,632,380.86

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Solution

The fourth proportional to 103,948,570.62, 155,869,084.89 and 45,632,380.86 is: 68,424,966.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,948,570.62 : 155,869,084.89 = 45,632,380.86 : x
  2. Step 2: Convert to fraction form
    103,948,570.62/155,869,084.89 = 45,632,380.86/x
  3. Step 3: Cross multiply
    103,948,570.62x = 155,869,084.89 × 45,632,380.86
  4. Step 4: Simplify right side
    103,948,570.62x = 7,112,677,446,000,150
  5. Step 5: Solve for x
    x = 7,112,677,446,000,150/103,948,570.62
  6. Step 6: Final answer
    x = 68,424,966.34

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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.