Home / 260,729,649.40-391,122,807.90-96,948,193.72

Finding the Fourth Proportional to 260,729,649.40, 391,122,807.90 and 96,948,193.72

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Solution

The fourth proportional to 260,729,649.40, 391,122,807.90 and 96,948,193.72 is: 145,432,826.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,729,649.40 : 391,122,807.90 = 96,948,193.72 : x
  2. Step 2: Convert to fraction form
    260,729,649.40/391,122,807.90 = 96,948,193.72/x
  3. Step 3: Cross multiply
    260,729,649.40x = 391,122,807.90 × 96,948,193.72
  4. Step 4: Simplify right side
    260,729,649.40x = 37,918,649,748,599,544
  5. Step 5: Solve for x
    x = 37,918,649,748,599,544/260,729,649.40
  6. Step 6: Final answer
    x = 145,432,826.06

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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.