Home / 86,750,987.40-130,126,481.10-82,924,612.20

Finding the Fourth Proportional to 86,750,987.40, 130,126,481.10 and 82,924,612.20

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Solution

The fourth proportional to 86,750,987.40, 130,126,481.10 and 82,924,612.20 is: 124,386,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,750,987.40 : 130,126,481.10 = 82,924,612.20 : x
  2. Step 2: Convert to fraction form
    86,750,987.40/130,126,481.10 = 82,924,612.20/x
  3. Step 3: Cross multiply
    86,750,987.40x = 130,126,481.10 × 82,924,612.20
  4. Step 4: Simplify right side
    86,750,987.40x = 10,790,687,982,168,130
  5. Step 5: Solve for x
    x = 10,790,687,982,168,130/86,750,987.40
  6. Step 6: Final answer
    x = 124,386,918.30

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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.