Home / 115,126,279,060.80-172,689,418,591.20-88,972,642,401.60

Finding the Fourth Proportional to 115,126,279,060.80, 172,689,418,591.20 and 88,972,642,401.60

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Solution

The fourth proportional to 115,126,279,060.80, 172,689,418,591.20 and 88,972,642,401.60 is: 133,458,963,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,126,279,060.80 : 172,689,418,591.20 = 88,972,642,401.60 : x
  2. Step 2: Convert to fraction form
    115,126,279,060.80/172,689,418,591.20 = 88,972,642,401.60/x
  3. Step 3: Cross multiply
    115,126,279,060.80x = 172,689,418,591.20 × 88,972,642,401.60
  4. Step 4: Simplify right side
    115,126,279,060.80x = 15,364,633,886,855,054,491,648
  5. Step 5: Solve for x
    x = 15,364,633,886,855,054,491,648/115,126,279,060.80
  6. Step 6: Final answer
    x = 133,458,963,602.40

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1.5x scale

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.