Home / 103,480,920.30-155,221,380.45-95,120,165.10

Finding the Fourth Proportional to 103,480,920.30, 155,221,380.45 and 95,120,165.10

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Solution

The fourth proportional to 103,480,920.30, 155,221,380.45 and 95,120,165.10 is: 142,680,247.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,480,920.30 : 155,221,380.45 = 95,120,165.10 : x
  2. Step 2: Convert to fraction form
    103,480,920.30/155,221,380.45 = 95,120,165.10/x
  3. Step 3: Cross multiply
    103,480,920.30x = 155,221,380.45 × 95,120,165.10
  4. Step 4: Simplify right side
    103,480,920.30x = 14,764,683,335,453,910
  5. Step 5: Solve for x
    x = 14,764,683,335,453,910/103,480,920.30
  6. Step 6: Final answer
    x = 142,680,247.65

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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.