Home / 172,059,154.60-258,387,330.30-91,437,586.60

Finding the Fourth Proportional to 172,059,154.60, 258,387,330.30 and 91,437,586.60

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Solution

The fourth proportional to 172,059,154.60, 258,387,330.30 and 91,437,586.60 is: 137,315,064.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,059,154.60 : 258,387,330.30 = 91,437,586.60 : x
  2. Step 2: Convert to fraction form
    172,059,154.60/258,387,330.30 = 91,437,586.60/x
  3. Step 3: Cross multiply
    172,059,154.60x = 258,387,330.30 × 91,437,586.60
  4. Step 4: Simplify right side
    172,059,154.60x = 23,626,313,890,649,052
  5. Step 5: Solve for x
    x = 23,626,313,890,649,052/172,059,154.60
  6. Step 6: Final answer
    x = 137,315,064.38

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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.