Home / 86,768,891.82-130,151,830.24-34,952,169.78

Finding the Fourth Proportional to 86,768,891.82, 130,151,830.24 and 34,952,169.78

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Solution

The fourth proportional to 86,768,891.82, 130,151,830.24 and 34,952,169.78 is: 52,427,647.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,768,891.82 : 130,151,830.24 = 34,952,169.78 : x
  2. Step 2: Convert to fraction form
    86,768,891.82/130,151,830.24 = 34,952,169.78/x
  3. Step 3: Cross multiply
    86,768,891.82x = 130,151,830.24 × 34,952,169.78
  4. Step 4: Simplify right side
    86,768,891.82x = 4,549,088,867,227,386
  5. Step 5: Solve for x
    x = 4,549,088,867,227,386/86,768,891.82
  6. Step 6: Final answer
    x = 52,427,647.42

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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.