Home / 90,383,025.80-124,728,655.98-49,129,918.18

Finding the Fourth Proportional to 90,383,025.80, 124,728,655.98 and 49,129,918.18

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Solution

The fourth proportional to 90,383,025.80, 124,728,655.98 and 49,129,918.18 is: 67,799,330.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,383,025.80 : 124,728,655.98 = 49,129,918.18 : x
  2. Step 2: Convert to fraction form
    90,383,025.80/124,728,655.98 = 49,129,918.18/x
  3. Step 3: Cross multiply
    90,383,025.80x = 124,728,655.98 × 49,129,918.18
  4. Step 4: Simplify right side
    90,383,025.80x = 6,127,908,662,375,124
  5. Step 5: Solve for x
    x = 6,127,908,662,375,124/90,383,025.80
  6. Step 6: Final answer
    x = 67,799,330.77

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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.