Home / 90,099,770.15-124,342,510.56-50,404,932.90

Finding the Fourth Proportional to 90,099,770.15, 124,342,510.56 and 50,404,932.90

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Solution

The fourth proportional to 90,099,770.15, 124,342,510.56 and 50,404,932.90 is: 69,561,508.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,099,770.15 : 124,342,510.56 = 50,404,932.90 : x
  2. Step 2: Convert to fraction form
    90,099,770.15/124,342,510.56 = 50,404,932.90/x
  3. Step 3: Cross multiply
    90,099,770.15x = 124,342,510.56 × 50,404,932.90
  4. Step 4: Simplify right side
    90,099,770.15x = 6,267,475,901,205,323
  5. Step 5: Solve for x
    x = 6,267,475,901,205,323/90,099,770.15
  6. Step 6: Final answer
    x = 69,561,508.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.