Home / 127,502,858.42-175,940,377.98-71,747,307.20

Finding the Fourth Proportional to 127,502,858.42, 175,940,377.98 and 71,747,307.20

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Solution

The fourth proportional to 127,502,858.42, 175,940,377.98 and 71,747,307.20 is: 99,003,649.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,502,858.42 : 175,940,377.98 = 71,747,307.20 : x
  2. Step 2: Convert to fraction form
    127,502,858.42/175,940,377.98 = 71,747,307.20/x
  3. Step 3: Cross multiply
    127,502,858.42x = 175,940,377.98 × 71,747,307.20
  4. Step 4: Simplify right side
    127,502,858.42x = 12,623,248,347,815,176
  5. Step 5: Solve for x
    x = 12,623,248,347,815,176/127,502,858.42
  6. Step 6: Final answer
    x = 99,003,649.83

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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.