Home / 98,121,650.40-147,182,475.60-67,510,648.80

Finding the Fourth Proportional to 98,121,650.40, 147,182,475.60 and 67,510,648.80

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Solution

The fourth proportional to 98,121,650.40, 147,182,475.60 and 67,510,648.80 is: 101,265,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,121,650.40 : 147,182,475.60 = 67,510,648.80 : x
  2. Step 2: Convert to fraction form
    98,121,650.40/147,182,475.60 = 67,510,648.80/x
  3. Step 3: Cross multiply
    98,121,650.40x = 147,182,475.60 × 67,510,648.80
  4. Step 4: Simplify right side
    98,121,650.40x = 9,936,384,419,746,168
  5. Step 5: Solve for x
    x = 9,936,384,419,746,168/98,121,650.40
  6. Step 6: Final answer
    x = 101,265,973.20

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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.