Home / 260,642,659.20-390,848,515.20-88,072,612.80

Finding the Fourth Proportional to 260,642,659.20, 390,848,515.20 and 88,072,612.80

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Solution

The fourth proportional to 260,642,659.20, 390,848,515.20 and 88,072,612.80 is: 132,069,900.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,642,659.20 : 390,848,515.20 = 88,072,612.80 : x
  2. Step 2: Convert to fraction form
    260,642,659.20/390,848,515.20 = 88,072,612.80/x
  3. Step 3: Cross multiply
    260,642,659.20x = 390,848,515.20 × 88,072,612.80
  4. Step 4: Simplify right side
    260,642,659.20x = 34,423,049,942,664,512
  5. Step 5: Solve for x
    x = 34,423,049,942,664,512/260,642,659.20
  6. Step 6: Final answer
    x = 132,069,900.02

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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.