Home / 121,126,800.30-181,690,200.45-88,602,611.10

Finding the Fourth Proportional to 121,126,800.30, 181,690,200.45 and 88,602,611.10

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Solution

The fourth proportional to 121,126,800.30, 181,690,200.45 and 88,602,611.10 is: 132,903,916.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,126,800.30 : 181,690,200.45 = 88,602,611.10 : x
  2. Step 2: Convert to fraction form
    121,126,800.30/181,690,200.45 = 88,602,611.10/x
  3. Step 3: Cross multiply
    121,126,800.30x = 181,690,200.45 × 88,602,611.10
  4. Step 4: Simplify right side
    121,126,800.30x = 16,098,226,171,152,392
  5. Step 5: Solve for x
    x = 16,098,226,171,152,392/121,126,800.30
  6. Step 6: Final answer
    x = 132,903,916.65

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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.