Home / 256,917,573.50-385,369,385.08-178,057,043.51

Finding the Fourth Proportional to 256,917,573.50, 385,369,385.08 and 178,057,043.51

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Solution

The fourth proportional to 256,917,573.50, 385,369,385.08 and 178,057,043.51 is: 267,080,731.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,917,573.50 : 385,369,385.08 = 178,057,043.51 : x
  2. Step 2: Convert to fraction form
    256,917,573.50/385,369,385.08 = 178,057,043.51/x
  3. Step 3: Cross multiply
    256,917,573.50x = 385,369,385.08 × 178,057,043.51
  4. Step 4: Simplify right side
    256,917,573.50x = 68,617,733,364,572,488
  5. Step 5: Solve for x
    x = 68,617,733,364,572,488/256,917,573.50
  6. Step 6: Final answer
    x = 267,080,731.11

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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.