Home / 177,156,043.20-265,734,064.80-131,806,411.20

Finding the Fourth Proportional to 177,156,043.20, 265,734,064.80 and 131,806,411.20

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Solution

The fourth proportional to 177,156,043.20, 265,734,064.80 and 131,806,411.20 is: 197,709,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,156,043.20 : 265,734,064.80 = 131,806,411.20 : x
  2. Step 2: Convert to fraction form
    177,156,043.20/265,734,064.80 = 131,806,411.20/x
  3. Step 3: Cross multiply
    177,156,043.20x = 265,734,064.80 × 131,806,411.20
  4. Step 4: Simplify right side
    177,156,043.20x = 35,025,453,414,876,248
  5. Step 5: Solve for x
    x = 35,025,453,414,876,248/177,156,043.20
  6. Step 6: Final answer
    x = 197,709,616.80

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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.