Home / 145,162,954.10-217,739,765.55-48,123,139.70

Finding the Fourth Proportional to 145,162,954.10, 217,739,765.55 and 48,123,139.70

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Solution

The fourth proportional to 145,162,954.10, 217,739,765.55 and 48,123,139.70 is: 72,183,162.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,162,954.10 : 217,739,765.55 = 48,123,139.70 : x
  2. Step 2: Convert to fraction form
    145,162,954.10/217,739,765.55 = 48,123,139.70/x
  3. Step 3: Cross multiply
    145,162,954.10x = 217,739,765.55 × 48,123,139.70
  4. Step 4: Simplify right side
    145,162,954.10x = 10,478,321,155,807,898
  5. Step 5: Solve for x
    x = 10,478,321,155,807,898/145,162,954.10
  6. Step 6: Final answer
    x = 72,183,162.85

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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.