Home / 181,715,330.80-272,572,996.20-109,155,919.60

Finding the Fourth Proportional to 181,715,330.80, 272,572,996.20 and 109,155,919.60

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Solution

The fourth proportional to 181,715,330.80, 272,572,996.20 and 109,155,919.60 is: 163,733,879.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,715,330.80 : 272,572,996.20 = 109,155,919.60 : x
  2. Step 2: Convert to fraction form
    181,715,330.80/272,572,996.20 = 109,155,919.60/x
  3. Step 3: Cross multiply
    181,715,330.80x = 272,572,996.20 × 109,155,919.60
  4. Step 4: Simplify right side
    181,715,330.80x = 29,752,956,058,338,304
  5. Step 5: Solve for x
    x = 29,752,956,058,338,304/181,715,330.80
  6. Step 6: Final answer
    x = 163,733,879.40

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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.