Home / 91,642,221.15-137,549,717.75-33,406,187.91

Finding the Fourth Proportional to 91,642,221.15, 137,549,717.75 and 33,406,187.91

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Solution

The fourth proportional to 91,642,221.15, 137,549,717.75 and 33,406,187.91 is: 50,140,772.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,642,221.15 : 137,549,717.75 = 33,406,187.91 : x
  2. Step 2: Convert to fraction form
    91,642,221.15/137,549,717.75 = 33,406,187.91/x
  3. Step 3: Cross multiply
    91,642,221.15x = 137,549,717.75 × 33,406,187.91
  4. Step 4: Simplify right side
    91,642,221.15x = 4,595,011,718,123,962
  5. Step 5: Solve for x
    x = 4,595,011,718,123,962/91,642,221.15
  6. Step 6: Final answer
    x = 50,140,772.02

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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.