Home / 84,341,874.80-126,512,812.20-50,301,657.20

Finding the Fourth Proportional to 84,341,874.80, 126,512,812.20 and 50,301,657.20

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Solution

The fourth proportional to 84,341,874.80, 126,512,812.20 and 50,301,657.20 is: 75,452,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,341,874.80 : 126,512,812.20 = 50,301,657.20 : x
  2. Step 2: Convert to fraction form
    84,341,874.80/126,512,812.20 = 50,301,657.20/x
  3. Step 3: Cross multiply
    84,341,874.80x = 126,512,812.20 × 50,301,657.20
  4. Step 4: Simplify right side
    84,341,874.80x = 6,363,804,110,692,378
  5. Step 5: Solve for x
    x = 6,363,804,110,692,378/84,341,874.80
  6. Step 6: Final answer
    x = 75,452,485.80

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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.