Home / 162,413,436.30-243,620,154.45-126,133,730.70

Finding the Fourth Proportional to 162,413,436.30, 243,620,154.45 and 126,133,730.70

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Solution

The fourth proportional to 162,413,436.30, 243,620,154.45 and 126,133,730.70 is: 189,200,596.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,413,436.30 : 243,620,154.45 = 126,133,730.70 : x
  2. Step 2: Convert to fraction form
    162,413,436.30/243,620,154.45 = 126,133,730.70/x
  3. Step 3: Cross multiply
    162,413,436.30x = 243,620,154.45 × 126,133,730.70
  4. Step 4: Simplify right side
    162,413,436.30x = 30,728,718,954,488,704
  5. Step 5: Solve for x
    x = 30,728,718,954,488,704/162,413,436.30
  6. Step 6: Final answer
    x = 189,200,596.05

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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.