Home / 98,408,098.80-147,612,148.20-43,820,578.80

Finding the Fourth Proportional to 98,408,098.80, 147,612,148.20 and 43,820,578.80

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Solution

The fourth proportional to 98,408,098.80, 147,612,148.20 and 43,820,578.80 is: 65,730,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,408,098.80 : 147,612,148.20 = 43,820,578.80 : x
  2. Step 2: Convert to fraction form
    98,408,098.80/147,612,148.20 = 43,820,578.80/x
  3. Step 3: Cross multiply
    98,408,098.80x = 147,612,148.20 × 43,820,578.80
  4. Step 4: Simplify right side
    98,408,098.80x = 6,468,449,772,035,377
  5. Step 5: Solve for x
    x = 6,468,449,772,035,377/98,408,098.80
  6. Step 6: Final answer
    x = 65,730,868.20

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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.