Home / 90,654,850.88-135,996,438.24-36,805,947.20

Finding the Fourth Proportional to 90,654,850.88, 135,996,438.24 and 36,805,947.20

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Solution

The fourth proportional to 90,654,850.88, 135,996,438.24 and 36,805,947.20 is: 55,214,670.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,654,850.88 : 135,996,438.24 = 36,805,947.20 : x
  2. Step 2: Convert to fraction form
    90,654,850.88/135,996,438.24 = 36,805,947.20/x
  3. Step 3: Cross multiply
    90,654,850.88x = 135,996,438.24 × 36,805,947.20
  4. Step 4: Simplify right side
    90,654,850.88x = 5,005,477,725,249,502
  5. Step 5: Solve for x
    x = 5,005,477,725,249,502/90,654,850.88
  6. Step 6: Final answer
    x = 55,214,670.55

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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.