Home / 90,338,948.08-135,508,153.96-25,642,807.88

Finding the Fourth Proportional to 90,338,948.08, 135,508,153.96 and 25,642,807.88

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Solution

The fourth proportional to 90,338,948.08, 135,508,153.96 and 25,642,807.88 is: 38,464,135.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,338,948.08 : 135,508,153.96 = 25,642,807.88 : x
  2. Step 2: Convert to fraction form
    90,338,948.08/135,508,153.96 = 25,642,807.88/x
  3. Step 3: Cross multiply
    90,338,948.08x = 135,508,153.96 × 25,642,807.88
  4. Step 4: Simplify right side
    90,338,948.08x = 3,474,809,558,169,741.50
  5. Step 5: Solve for x
    x = 3,474,809,558,169,741.50/90,338,948.08
  6. Step 6: Final answer
    x = 38,464,135.70

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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.