Home / 99,367,597.31-149,185,805.33-68,585,645.21

Finding the Fourth Proportional to 99,367,597.31, 149,185,805.33 and 68,585,645.21

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Solution

The fourth proportional to 99,367,597.31, 149,185,805.33 and 68,585,645.21 is: 102,971,240.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,367,597.31 : 149,185,805.33 = 68,585,645.21 : x
  2. Step 2: Convert to fraction form
    99,367,597.31/149,185,805.33 = 68,585,645.21/x
  3. Step 3: Cross multiply
    99,367,597.31x = 149,185,805.33 × 68,585,645.21
  4. Step 4: Simplify right side
    99,367,597.31x = 10,232,004,714,157,042
  5. Step 5: Solve for x
    x = 10,232,004,714,157,042/99,367,597.31
  6. Step 6: Final answer
    x = 102,971,240.04

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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.