Home / 373,725,001.50-515,665,703.17-208,687,177.50

Finding the Fourth Proportional to 373,725,001.50, 515,665,703.17 and 208,687,177.50

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Solution

The fourth proportional to 373,725,001.50, 515,665,703.17 and 208,687,177.50 is: 287,946,537.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,725,001.50 : 515,665,703.17 = 208,687,177.50 : x
  2. Step 2: Convert to fraction form
    373,725,001.50/515,665,703.17 = 208,687,177.50/x
  3. Step 3: Cross multiply
    373,725,001.50x = 515,665,703.17 × 208,687,177.50
  4. Step 4: Simplify right side
    373,725,001.50x = 107,612,820,125,254,384
  5. Step 5: Solve for x
    x = 107,612,820,125,254,384/373,725,001.50
  6. Step 6: Final answer
    x = 287,946,537.41

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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.