Home / 79,719,310.40-119,578,965.60-60,445,716.80

Finding the Fourth Proportional to 79,719,310.40, 119,578,965.60 and 60,445,716.80

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Solution

The fourth proportional to 79,719,310.40, 119,578,965.60 and 60,445,716.80 is: 90,668,575.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,719,310.40 : 119,578,965.60 = 60,445,716.80 : x
  2. Step 2: Convert to fraction form
    79,719,310.40/119,578,965.60 = 60,445,716.80/x
  3. Step 3: Cross multiply
    79,719,310.40x = 119,578,965.60 × 60,445,716.80
  4. Step 4: Simplify right side
    79,719,310.40x = 7,228,036,289,894,541
  5. Step 5: Solve for x
    x = 7,228,036,289,894,541/79,719,310.40
  6. Step 6: Final answer
    x = 90,668,575.20

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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.