Home / 162,154,786.17-243,620,213.36-103,976,448.69

Finding the Fourth Proportional to 162,154,786.17, 243,620,213.36 and 103,976,448.69

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Solution

The fourth proportional to 162,154,786.17, 243,620,213.36 and 103,976,448.69 is: 156,213,487.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,154,786.17 : 243,620,213.36 = 103,976,448.69 : x
  2. Step 2: Convert to fraction form
    162,154,786.17/243,620,213.36 = 103,976,448.69/x
  3. Step 3: Cross multiply
    162,154,786.17x = 243,620,213.36 × 103,976,448.69
  4. Step 4: Simplify right side
    162,154,786.17x = 25,330,764,612,610,432
  5. Step 5: Solve for x
    x = 25,330,764,612,610,432/162,154,786.17
  6. Step 6: Final answer
    x = 156,213,487.20

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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.