Home / 121,126,824.80-181,690,237.20-107,256,214.70

Finding the Fourth Proportional to 121,126,824.80, 181,690,237.20 and 107,256,214.70

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Solution

The fourth proportional to 121,126,824.80, 181,690,237.20 and 107,256,214.70 is: 160,884,322.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,126,824.80 : 181,690,237.20 = 107,256,214.70 : x
  2. Step 2: Convert to fraction form
    121,126,824.80/181,690,237.20 = 107,256,214.70/x
  3. Step 3: Cross multiply
    121,126,824.80x = 181,690,237.20 × 107,256,214.70
  4. Step 4: Simplify right side
    121,126,824.80x = 19,487,407,090,017,128
  5. Step 5: Solve for x
    x = 19,487,407,090,017,128/121,126,824.80
  6. Step 6: Final answer
    x = 160,884,322.05

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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.