Home / 103,344,272.10-155,016,408.15-45,948,644.10

Finding the Fourth Proportional to 103,344,272.10, 155,016,408.15 and 45,948,644.10

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Solution

The fourth proportional to 103,344,272.10, 155,016,408.15 and 45,948,644.10 is: 68,922,966.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,344,272.10 : 155,016,408.15 = 45,948,644.10 : x
  2. Step 2: Convert to fraction form
    103,344,272.10/155,016,408.15 = 45,948,644.10/x
  3. Step 3: Cross multiply
    103,344,272.10x = 155,016,408.15 × 45,948,644.10
  4. Step 4: Simplify right side
    103,344,272.10x = 7,122,793,767,744,690
  5. Step 5: Solve for x
    x = 7,122,793,767,744,690/103,344,272.10
  6. Step 6: Final answer
    x = 68,922,966.15

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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.