Home / 115,910,627.20-173,666,875.20-61,242,236.80

Finding the Fourth Proportional to 115,910,627.20, 173,666,875.20 and 61,242,236.80

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Solution

The fourth proportional to 115,910,627.20, 173,666,875.20 and 61,242,236.80 is: 91,758,177.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,910,627.20 : 173,666,875.20 = 61,242,236.80 : x
  2. Step 2: Convert to fraction form
    115,910,627.20/173,666,875.20 = 61,242,236.80/x
  3. Step 3: Cross multiply
    115,910,627.20x = 173,666,875.20 × 61,242,236.80
  4. Step 4: Simplify right side
    115,910,627.20x = 10,635,747,895,314,446
  5. Step 5: Solve for x
    x = 10,635,747,895,314,446/115,910,627.20
  6. Step 6: Final answer
    x = 91,758,177.42

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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.