Home / 245,855,275.20-368,782,912.80-191,435,716.80

Finding the Fourth Proportional to 245,855,275.20, 368,782,912.80 and 191,435,716.80

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Solution

The fourth proportional to 245,855,275.20, 368,782,912.80 and 191,435,716.80 is: 287,153,575.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,855,275.20 : 368,782,912.80 = 191,435,716.80 : x
  2. Step 2: Convert to fraction form
    245,855,275.20/368,782,912.80 = 191,435,716.80/x
  3. Step 3: Cross multiply
    245,855,275.20x = 368,782,912.80 × 191,435,716.80
  4. Step 4: Simplify right side
    245,855,275.20x = 70,598,221,255,459,904
  5. Step 5: Solve for x
    x = 70,598,221,255,459,904/245,855,275.20
  6. Step 6: Final answer
    x = 287,153,575.20

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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.