Home / 80,876,601.90-121,314,902.85-50,265,600.30

Finding the Fourth Proportional to 80,876,601.90, 121,314,902.85 and 50,265,600.30

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Solution

The fourth proportional to 80,876,601.90, 121,314,902.85 and 50,265,600.30 is: 75,398,400.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,876,601.90 : 121,314,902.85 = 50,265,600.30 : x
  2. Step 2: Convert to fraction form
    80,876,601.90/121,314,902.85 = 50,265,600.30/x
  3. Step 3: Cross multiply
    80,876,601.90x = 121,314,902.85 × 50,265,600.30
  4. Step 4: Simplify right side
    80,876,601.90x = 6,097,966,417,091,430
  5. Step 5: Solve for x
    x = 6,097,966,417,091,430/80,876,601.90
  6. Step 6: Final answer
    x = 75,398,400.45

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1.5x scale

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.