Home / 162,260,490.20-243,388,609.31-39,438,450.86

Finding the Fourth Proportional to 162,260,490.20, 243,388,609.31 and 39,438,450.86

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Solution

The fourth proportional to 162,260,490.20, 243,388,609.31 and 39,438,450.86 is: 59,157,159.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,260,490.20 : 243,388,609.31 = 39,438,450.86 : x
  2. Step 2: Convert to fraction form
    162,260,490.20/243,388,609.31 = 39,438,450.86/x
  3. Step 3: Cross multiply
    162,260,490.20x = 243,388,609.31 × 39,438,450.86
  4. Step 4: Simplify right side
    162,260,490.20x = 9,598,869,707,037,826
  5. Step 5: Solve for x
    x = 9,598,869,707,037,826/162,260,490.20
  6. Step 6: Final answer
    x = 59,157,159.55

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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.