Home / 86,094,714.72-129,142,539.12-25,510,965.60

Finding the Fourth Proportional to 86,094,714.72, 129,142,539.12 and 25,510,965.60

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Solution

The fourth proportional to 86,094,714.72, 129,142,539.12 and 25,510,965.60 is: 38,266,586.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,094,714.72 : 129,142,539.12 = 25,510,965.60 : x
  2. Step 2: Convert to fraction form
    86,094,714.72/129,142,539.12 = 25,510,965.60/x
  3. Step 3: Cross multiply
    86,094,714.72x = 129,142,539.12 × 25,510,965.60
  4. Step 4: Simplify right side
    86,094,714.72x = 3,294,550,872,986,974.50
  5. Step 5: Solve for x
    x = 3,294,550,872,986,974.50/86,094,714.72
  6. Step 6: Final answer
    x = 38,266,586.79

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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.