Home / 238,209,573.78-328,689,659.97-140,411,132.82

Finding the Fourth Proportional to 238,209,573.78, 328,689,659.97 and 140,411,132.82

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Solution

The fourth proportional to 238,209,573.78, 328,689,659.97 and 140,411,132.82 is: 193,744,049.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,209,573.78 : 328,689,659.97 = 140,411,132.82 : x
  2. Step 2: Convert to fraction form
    238,209,573.78/328,689,659.97 = 140,411,132.82/x
  3. Step 3: Cross multiply
    238,209,573.78x = 328,689,659.97 × 140,411,132.82
  4. Step 4: Simplify right side
    238,209,573.78x = 46,151,687,502,608,312
  5. Step 5: Solve for x
    x = 46,151,687,502,608,312/238,209,573.78
  6. Step 6: Final answer
    x = 193,744,049.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.