Home / 99,829,105.20-149,743,657.80-28,025,521.20

Finding the Fourth Proportional to 99,829,105.20, 149,743,657.80 and 28,025,521.20

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Solution

The fourth proportional to 99,829,105.20, 149,743,657.80 and 28,025,521.20 is: 42,038,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,829,105.20 : 149,743,657.80 = 28,025,521.20 : x
  2. Step 2: Convert to fraction form
    99,829,105.20/149,743,657.80 = 28,025,521.20/x
  3. Step 3: Cross multiply
    99,829,105.20x = 149,743,657.80 × 28,025,521.20
  4. Step 4: Simplify right side
    99,829,105.20x = 4,196,644,056,239,445.50
  5. Step 5: Solve for x
    x = 4,196,644,056,239,445.50/99,829,105.20
  6. Step 6: Final answer
    x = 42,038,281.80

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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.