Home / 65,396,961.60-90,241,031.52-40,275,096

Finding the Fourth Proportional to 65,396,961.60, 90,241,031.52 and 40,275,096

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Solution

The fourth proportional to 65,396,961.60, 90,241,031.52 and 40,275,096 is: 55,575,459.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,396,961.60 : 90,241,031.52 = 40,275,096 : x
  2. Step 2: Convert to fraction form
    65,396,961.60/90,241,031.52 = 40,275,096/x
  3. Step 3: Cross multiply
    65,396,961.60x = 90,241,031.52 × 40,275,096
  4. Step 4: Simplify right side
    65,396,961.60x = 3,634,466,207,607,026
  5. Step 5: Solve for x
    x = 3,634,466,207,607,026/65,396,961.60
  6. Step 6: Final answer
    x = 55,575,459.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.