Home / 256,042,891.17-383,676,382.40-169,471,152.27

Finding the Fourth Proportional to 256,042,891.17, 383,676,382.40 and 169,471,152.27

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Solution

The fourth proportional to 256,042,891.17, 383,676,382.40 and 169,471,152.27 is: 253,949,946.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,042,891.17 : 383,676,382.40 = 169,471,152.27 : x
  2. Step 2: Convert to fraction form
    256,042,891.17/383,676,382.40 = 169,471,152.27/x
  3. Step 3: Cross multiply
    256,042,891.17x = 383,676,382.40 × 169,471,152.27
  4. Step 4: Simplify right side
    256,042,891.17x = 65,022,078,623,265,792
  5. Step 5: Solve for x
    x = 65,022,078,623,265,792/256,042,891.17
  6. Step 6: Final answer
    x = 253,949,946.93

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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.