Home / 121,263,816.30-181,897,279.65-40,484,784.30

Finding the Fourth Proportional to 121,263,816.30, 181,897,279.65 and 40,484,784.30

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Solution

The fourth proportional to 121,263,816.30, 181,897,279.65 and 40,484,784.30 is: 60,727,695.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,263,816.30 : 181,897,279.65 = 40,484,784.30 : x
  2. Step 2: Convert to fraction form
    121,263,816.30/181,897,279.65 = 40,484,784.30/x
  3. Step 3: Cross multiply
    121,263,816.30x = 181,897,279.65 × 40,484,784.30
  4. Step 4: Simplify right side
    121,263,816.30x = 7,364,072,131,387,029
  5. Step 5: Solve for x
    x = 7,364,072,131,387,029/121,263,816.30
  6. Step 6: Final answer
    x = 60,727,695.66

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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.