Home / 91,407,242.30-137,121,267.75-33,142,359.20

Finding the Fourth Proportional to 91,407,242.30, 137,121,267.75 and 33,142,359.20

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Solution

The fourth proportional to 91,407,242.30, 137,121,267.75 and 33,142,359.20 is: 49,717,311.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,407,242.30 : 137,121,267.75 = 33,142,359.20 : x
  2. Step 2: Convert to fraction form
    91,407,242.30/137,121,267.75 = 33,142,359.20/x
  3. Step 3: Cross multiply
    91,407,242.30x = 137,121,267.75 × 33,142,359.20
  4. Step 4: Simplify right side
    91,407,242.30x = 4,544,522,309,044,270
  5. Step 5: Solve for x
    x = 4,544,522,309,044,270/91,407,242.30
  6. Step 6: Final answer
    x = 49,717,311.18

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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.