Home / 121,014,127.20-181,521,190.80-39,132,847.20

Finding the Fourth Proportional to 121,014,127.20, 181,521,190.80 and 39,132,847.20

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Solution

The fourth proportional to 121,014,127.20, 181,521,190.80 and 39,132,847.20 is: 58,699,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,014,127.20 : 181,521,190.80 = 39,132,847.20 : x
  2. Step 2: Convert to fraction form
    121,014,127.20/181,521,190.80 = 39,132,847.20/x
  3. Step 3: Cross multiply
    121,014,127.20x = 181,521,190.80 × 39,132,847.20
  4. Step 4: Simplify right side
    121,014,127.20x = 7,103,441,023,138,447
  5. Step 5: Solve for x
    x = 7,103,441,023,138,447/121,014,127.20
  6. Step 6: Final answer
    x = 58,699,270.80

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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.