Home / 157,248,923.40-235,873,385.10-80,721,419.40

Finding the Fourth Proportional to 157,248,923.40, 235,873,385.10 and 80,721,419.40

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Solution

The fourth proportional to 157,248,923.40, 235,873,385.10 and 80,721,419.40 is: 121,082,129.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,248,923.40 : 235,873,385.10 = 80,721,419.40 : x
  2. Step 2: Convert to fraction form
    157,248,923.40/235,873,385.10 = 80,721,419.40/x
  3. Step 3: Cross multiply
    157,248,923.40x = 235,873,385.10 × 80,721,419.40
  4. Step 4: Simplify right side
    157,248,923.40x = 19,040,034,443,954,812
  5. Step 5: Solve for x
    x = 19,040,034,443,954,812/157,248,923.40
  6. Step 6: Final answer
    x = 121,082,129.10

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1.5x scale

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.