Home / 262,269,124.80-393,403,687.20-141,336,772.80

Finding the Fourth Proportional to 262,269,124.80, 393,403,687.20 and 141,336,772.80

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Solution

The fourth proportional to 262,269,124.80, 393,403,687.20 and 141,336,772.80 is: 212,005,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,269,124.80 : 393,403,687.20 = 141,336,772.80 : x
  2. Step 2: Convert to fraction form
    262,269,124.80/393,403,687.20 = 141,336,772.80/x
  3. Step 3: Cross multiply
    262,269,124.80x = 393,403,687.20 × 141,336,772.80
  4. Step 4: Simplify right side
    262,269,124.80x = 55,602,407,556,468,672
  5. Step 5: Solve for x
    x = 55,602,407,556,468,672/262,269,124.80
  6. Step 6: Final answer
    x = 212,005,159.20

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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.