Home / 121,130,793.90-181,696,190.85-48,358,806.30

Finding the Fourth Proportional to 121,130,793.90, 181,696,190.85 and 48,358,806.30

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Solution

The fourth proportional to 121,130,793.90, 181,696,190.85 and 48,358,806.30 is: 72,538,209.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,130,793.90 : 181,696,190.85 = 48,358,806.30 : x
  2. Step 2: Convert to fraction form
    121,130,793.90/181,696,190.85 = 48,358,806.30/x
  3. Step 3: Cross multiply
    121,130,793.90x = 181,696,190.85 × 48,358,806.30
  4. Step 4: Simplify right side
    121,130,793.90x = 8,786,610,898,762,982
  5. Step 5: Solve for x
    x = 8,786,610,898,762,982/121,130,793.90
  6. Step 6: Final answer
    x = 72,538,209.45

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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.