Home / 121,273,399.40-181,910,099.10-48,501,411.80

Finding the Fourth Proportional to 121,273,399.40, 181,910,099.10 and 48,501,411.80

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Solution

The fourth proportional to 121,273,399.40, 181,910,099.10 and 48,501,411.80 is: 72,752,117.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,273,399.40 : 181,910,099.10 = 48,501,411.80 : x
  2. Step 2: Convert to fraction form
    121,273,399.40/181,910,099.10 = 48,501,411.80/x
  3. Step 3: Cross multiply
    121,273,399.40x = 181,910,099.10 × 48,501,411.80
  4. Step 4: Simplify right side
    121,273,399.40x = 8,822,896,627,027,909
  5. Step 5: Solve for x
    x = 8,822,896,627,027,909/121,273,399.40
  6. Step 6: Final answer
    x = 72,752,117.70

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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.