Home / 253,003,310.06-379,513,366.02-87,005,186.48

Finding the Fourth Proportional to 253,003,310.06, 379,513,366.02 and 87,005,186.48

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Solution

The fourth proportional to 253,003,310.06, 379,513,366.02 and 87,005,186.48 is: 130,510,668.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,003,310.06 : 379,513,366.02 = 87,005,186.48 : x
  2. Step 2: Convert to fraction form
    253,003,310.06/379,513,366.02 = 87,005,186.48/x
  3. Step 3: Cross multiply
    253,003,310.06x = 379,513,366.02 × 87,005,186.48
  4. Step 4: Simplify right side
    253,003,310.06x = 33,019,631,182,222,596
  5. Step 5: Solve for x
    x = 33,019,631,182,222,596/253,003,310.06
  6. Step 6: Final answer
    x = 130,510,668.71

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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.