Home / 155,052,503.60-232,359,535.62-85,995,731.48

Finding the Fourth Proportional to 155,052,503.60, 232,359,535.62 and 85,995,731.48

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Solution

The fourth proportional to 155,052,503.60, 232,359,535.62 and 85,995,731.48 is: 128,872,012.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,052,503.60 : 232,359,535.62 = 85,995,731.48 : x
  2. Step 2: Convert to fraction form
    155,052,503.60/232,359,535.62 = 85,995,731.48/x
  3. Step 3: Cross multiply
    155,052,503.60x = 232,359,535.62 × 85,995,731.48
  4. Step 4: Simplify right side
    155,052,503.60x = 19,981,928,230,833,216
  5. Step 5: Solve for x
    x = 19,981,928,230,833,216/155,052,503.60
  6. Step 6: Final answer
    x = 128,872,012.82

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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.