Home / 162,666,145.20-243,999,217.80-54,960,769.20

Finding the Fourth Proportional to 162,666,145.20, 243,999,217.80 and 54,960,769.20

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Solution

The fourth proportional to 162,666,145.20, 243,999,217.80 and 54,960,769.20 is: 82,441,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,666,145.20 : 243,999,217.80 = 54,960,769.20 : x
  2. Step 2: Convert to fraction form
    162,666,145.20/243,999,217.80 = 54,960,769.20/x
  3. Step 3: Cross multiply
    162,666,145.20x = 243,999,217.80 × 54,960,769.20
  4. Step 4: Simplify right side
    162,666,145.20x = 13,410,384,694,486,334
  5. Step 5: Solve for x
    x = 13,410,384,694,486,334/162,666,145.20
  6. Step 6: Final answer
    x = 82,441,153.80

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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.