Home / 260,672,517.60-391,260,718.80-131,426,066.40

Finding the Fourth Proportional to 260,672,517.60, 391,260,718.80 and 131,426,066.40

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Solution

The fourth proportional to 260,672,517.60, 391,260,718.80 and 131,426,066.40 is: 197,266,124.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,672,517.60 : 391,260,718.80 = 131,426,066.40 : x
  2. Step 2: Convert to fraction form
    260,672,517.60/391,260,718.80 = 131,426,066.40/x
  3. Step 3: Cross multiply
    260,672,517.60x = 391,260,718.80 × 131,426,066.40
  4. Step 4: Simplify right side
    260,672,517.60x = 51,421,857,208,720,536
  5. Step 5: Solve for x
    x = 51,421,857,208,720,536/260,672,517.60
  6. Step 6: Final answer
    x = 197,266,124.11

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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.