Home / 86,943,609.20-130,432,909.80-25,532,649.20

Finding the Fourth Proportional to 86,943,609.20, 130,432,909.80 and 25,532,649.20

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Solution

The fourth proportional to 86,943,609.20, 130,432,909.80 and 25,532,649.20 is: 38,304,111.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,943,609.20 : 130,432,909.80 = 25,532,649.20 : x
  2. Step 2: Convert to fraction form
    86,943,609.20/130,432,909.80 = 25,532,649.20/x
  3. Step 3: Cross multiply
    86,943,609.20x = 130,432,909.80 × 25,532,649.20
  4. Step 4: Simplify right side
    86,943,609.20x = 3,330,297,730,058,642
  5. Step 5: Solve for x
    x = 3,330,297,730,058,642/86,943,609.20
  6. Step 6: Final answer
    x = 38,304,111.83

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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.