Home / 87,295,250-130,965,116.80-25,886,651.96

Finding the Fourth Proportional to 87,295,250, 130,965,116.80 and 25,886,651.96

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Solution

The fourth proportional to 87,295,250, 130,965,116.80 and 25,886,651.96 is: 38,836,573.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,295,250 : 130,965,116.80 = 25,886,651.96 : x
  2. Step 2: Convert to fraction form
    87,295,250/130,965,116.80 = 25,886,651.96/x
  3. Step 3: Cross multiply
    87,295,250x = 130,965,116.80 × 25,886,651.96
  4. Step 4: Simplify right side
    87,295,250x = 3,390,248,397,502,349
  5. Step 5: Solve for x
    x = 3,390,248,397,502,349/87,295,250
  6. Step 6: Final answer
    x = 38,836,573.55

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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.