Home / 90,189,552.60-135,284,328.90-77,275,536.30

Finding the Fourth Proportional to 90,189,552.60, 135,284,328.90 and 77,275,536.30

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Solution

The fourth proportional to 90,189,552.60, 135,284,328.90 and 77,275,536.30 is: 115,913,304.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,189,552.60 : 135,284,328.90 = 77,275,536.30 : x
  2. Step 2: Convert to fraction form
    90,189,552.60/135,284,328.90 = 77,275,536.30/x
  3. Step 3: Cross multiply
    90,189,552.60x = 135,284,328.90 × 77,275,536.30
  4. Step 4: Simplify right side
    90,189,552.60x = 10,454,169,068,733,090
  5. Step 5: Solve for x
    x = 10,454,169,068,733,090/90,189,552.60
  6. Step 6: Final answer
    x = 115,913,304.45

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Similar ratio
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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.