Home / 251,310,667.80-376,966,001.70-169,681,330.20

Finding the Fourth Proportional to 251,310,667.80, 376,966,001.70 and 169,681,330.20

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Solution

The fourth proportional to 251,310,667.80, 376,966,001.70 and 169,681,330.20 is: 254,521,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,310,667.80 : 376,966,001.70 = 169,681,330.20 : x
  2. Step 2: Convert to fraction form
    251,310,667.80/376,966,001.70 = 169,681,330.20/x
  3. Step 3: Cross multiply
    251,310,667.80x = 376,966,001.70 × 169,681,330.20
  4. Step 4: Simplify right side
    251,310,667.80x = 63,964,092,608,631,456
  5. Step 5: Solve for x
    x = 63,964,092,608,631,456/251,310,667.80
  6. Step 6: Final answer
    x = 254,521,995.30

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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.