Home / 162,472,568.42-243,699,882.01-118,798,082.73

Finding the Fourth Proportional to 162,472,568.42, 243,699,882.01 and 118,798,082.73

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Solution

The fourth proportional to 162,472,568.42, 243,699,882.01 and 118,798,082.73 is: 178,190,564.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,472,568.42 : 243,699,882.01 = 118,798,082.73 : x
  2. Step 2: Convert to fraction form
    162,472,568.42/243,699,882.01 = 118,798,082.73/x
  3. Step 3: Cross multiply
    162,472,568.42x = 243,699,882.01 × 118,798,082.73
  4. Step 4: Simplify right side
    162,472,568.42x = 28,951,078,744,018,224
  5. Step 5: Solve for x
    x = 28,951,078,744,018,224/162,472,568.42
  6. Step 6: Final answer
    x = 178,190,564.88

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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.