Home / 361,999,487.10-542,999,230.65-131,976,075.90

Finding the Fourth Proportional to 361,999,487.10, 542,999,230.65 and 131,976,075.90

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Solution

The fourth proportional to 361,999,487.10, 542,999,230.65 and 131,976,075.90 is: 197,964,113.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,999,487.10 : 542,999,230.65 = 131,976,075.90 : x
  2. Step 2: Convert to fraction form
    361,999,487.10/542,999,230.65 = 131,976,075.90/x
  3. Step 3: Cross multiply
    361,999,487.10x = 542,999,230.65 × 131,976,075.90
  4. Step 4: Simplify right side
    361,999,487.10x = 71,662,907,677,906,008
  5. Step 5: Solve for x
    x = 71,662,907,677,906,008/361,999,487.10
  6. Step 6: Final answer
    x = 197,964,113.85

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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.