Home / 282,887,711.49-424,331,685.15-127,259,740.78

Finding the Fourth Proportional to 282,887,711.49, 424,331,685.15 and 127,259,740.78

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Solution

The fourth proportional to 282,887,711.49, 424,331,685.15 and 127,259,740.78 is: 190,889,664.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,887,711.49 : 424,331,685.15 = 127,259,740.78 : x
  2. Step 2: Convert to fraction form
    282,887,711.49/424,331,685.15 = 127,259,740.78/x
  3. Step 3: Cross multiply
    282,887,711.49x = 424,331,685.15 × 127,259,740.78
  4. Step 4: Simplify right side
    282,887,711.49x = 54,000,340,256,929,576
  5. Step 5: Solve for x
    x = 54,000,340,256,929,576/282,887,711.49
  6. Step 6: Final answer
    x = 190,889,664.22

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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.