Home / 260,797,266.60-391,243,139.10-131,078,423.40

Finding the Fourth Proportional to 260,797,266.60, 391,243,139.10 and 131,078,423.40

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Solution

The fourth proportional to 260,797,266.60, 391,243,139.10 and 131,078,423.40 is: 196,641,377.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,797,266.60 : 391,243,139.10 = 131,078,423.40 : x
  2. Step 2: Convert to fraction form
    260,797,266.60/391,243,139.10 = 131,078,423.40/x
  3. Step 3: Cross multiply
    260,797,266.60x = 391,243,139.10 × 131,078,423.40
  4. Step 4: Simplify right side
    260,797,266.60x = 51,283,533,839,294,904
  5. Step 5: Solve for x
    x = 51,283,533,839,294,904/260,797,266.60
  6. Step 6: Final answer
    x = 196,641,377.83

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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.