Home / 121,030,327.20-181,545,490.80-40,251,295.20

Finding the Fourth Proportional to 121,030,327.20, 181,545,490.80 and 40,251,295.20

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Solution

The fourth proportional to 121,030,327.20, 181,545,490.80 and 40,251,295.20 is: 60,376,942.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,030,327.20 : 181,545,490.80 = 40,251,295.20 : x
  2. Step 2: Convert to fraction form
    121,030,327.20/181,545,490.80 = 40,251,295.20/x
  3. Step 3: Cross multiply
    121,030,327.20x = 181,545,490.80 × 40,251,295.20
  4. Step 4: Simplify right side
    121,030,327.20x = 7,307,441,142,419,685
  5. Step 5: Solve for x
    x = 7,307,441,142,419,685/121,030,327.20
  6. Step 6: Final answer
    x = 60,376,942.80

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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.