Home / 121,126,740.80-181,690,111.20-88,602,551.60

Finding the Fourth Proportional to 121,126,740.80, 181,690,111.20 and 88,602,551.60

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Solution

The fourth proportional to 121,126,740.80, 181,690,111.20 and 88,602,551.60 is: 132,903,827.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,126,740.80 : 181,690,111.20 = 88,602,551.60 : x
  2. Step 2: Convert to fraction form
    121,126,740.80/181,690,111.20 = 88,602,551.60/x
  3. Step 3: Cross multiply
    121,126,740.80x = 181,690,111.20 × 88,602,551.60
  4. Step 4: Simplify right side
    121,126,740.80x = 16,098,207,452,807,736
  5. Step 5: Solve for x
    x = 16,098,207,452,807,736/121,126,740.80
  6. Step 6: Final answer
    x = 132,903,827.40

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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.