Home / 162,154,808.37-243,620,246.65-103,976,470.89

Finding the Fourth Proportional to 162,154,808.37, 243,620,246.65 and 103,976,470.89

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Solution

The fourth proportional to 162,154,808.37, 243,620,246.65 and 103,976,470.89 is: 156,213,520.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,154,808.37 : 243,620,246.65 = 103,976,470.89 : x
  2. Step 2: Convert to fraction form
    162,154,808.37/243,620,246.65 = 103,976,470.89/x
  3. Step 3: Cross multiply
    162,154,808.37x = 243,620,246.65 × 103,976,470.89
  4. Step 4: Simplify right side
    162,154,808.37x = 25,330,773,484,018,344
  5. Step 5: Solve for x
    x = 25,330,773,484,018,344/162,154,808.37
  6. Step 6: Final answer
    x = 156,213,520.52

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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.