Home / 86,674,679.55-130,016,590.14-21,979,043.58

Finding the Fourth Proportional to 86,674,679.55, 130,016,590.14 and 21,979,043.58

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Solution

The fourth proportional to 86,674,679.55, 130,016,590.14 and 21,979,043.58 is: 32,969,724.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,674,679.55 : 130,016,590.14 = 21,979,043.58 : x
  2. Step 2: Convert to fraction form
    86,674,679.55/130,016,590.14 = 21,979,043.58/x
  3. Step 3: Cross multiply
    86,674,679.55x = 130,016,590.14 × 21,979,043.58
  4. Step 4: Simplify right side
    86,674,679.55x = 2,857,640,300,810,058
  5. Step 5: Solve for x
    x = 2,857,640,300,810,058/86,674,679.55
  6. Step 6: Final answer
    x = 32,969,724.44

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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.