Home / 121,356,039.20-182,034,058.80-40,577,007.20

Finding the Fourth Proportional to 121,356,039.20, 182,034,058.80 and 40,577,007.20

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Solution

The fourth proportional to 121,356,039.20, 182,034,058.80 and 40,577,007.20 is: 60,865,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,356,039.20 : 182,034,058.80 = 40,577,007.20 : x
  2. Step 2: Convert to fraction form
    121,356,039.20/182,034,058.80 = 40,577,007.20/x
  3. Step 3: Cross multiply
    121,356,039.20x = 182,034,058.80 × 40,577,007.20
  4. Step 4: Simplify right side
    121,356,039.20x = 7,386,397,314,572,824
  5. Step 5: Solve for x
    x = 7,386,397,314,572,824/121,356,039.20
  6. Step 6: Final answer
    x = 60,865,510.80

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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.