Home / 121,008,266.80-181,488,780.60-40,229,234.80

Finding the Fourth Proportional to 121,008,266.80, 181,488,780.60 and 40,229,234.80

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Solution

The fourth proportional to 121,008,266.80, 181,488,780.60 and 40,229,234.80 is: 60,335,999.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,008,266.80 : 181,488,780.60 = 40,229,234.80 : x
  2. Step 2: Convert to fraction form
    121,008,266.80/181,488,780.60 = 40,229,234.80/x
  3. Step 3: Cross multiply
    121,008,266.80x = 181,488,780.60 × 40,229,234.80
  4. Step 4: Simplify right side
    121,008,266.80x = 7,301,154,768,323,084
  5. Step 5: Solve for x
    x = 7,301,154,768,323,084/121,008,266.80
  6. Step 6: Final answer
    x = 60,335,999.86

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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.