Home / 145,162,959.60-217,739,773.80-48,123,145.20

Finding the Fourth Proportional to 145,162,959.60, 217,739,773.80 and 48,123,145.20

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Solution

The fourth proportional to 145,162,959.60, 217,739,773.80 and 48,123,145.20 is: 72,183,171.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,162,959.60 : 217,739,773.80 = 48,123,145.20 : x
  2. Step 2: Convert to fraction form
    145,162,959.60/217,739,773.80 = 48,123,145.20/x
  3. Step 3: Cross multiply
    145,162,959.60x = 217,739,773.80 × 48,123,145.20
  4. Step 4: Simplify right side
    145,162,959.60x = 10,478,322,750,392,556
  5. Step 5: Solve for x
    x = 10,478,322,750,392,556/145,162,959.60
  6. Step 6: Final answer
    x = 72,183,171.10

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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.