Home / 122,175,377.70-168,605,347.05-66,424,549.38

Finding the Fourth Proportional to 122,175,377.70, 168,605,347.05 and 66,424,549.38

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Solution

The fourth proportional to 122,175,377.70, 168,605,347.05 and 66,424,549.38 is: 91,667,686.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,175,377.70 : 168,605,347.05 = 66,424,549.38 : x
  2. Step 2: Convert to fraction form
    122,175,377.70/168,605,347.05 = 66,424,549.38/x
  3. Step 3: Cross multiply
    122,175,377.70x = 168,605,347.05 × 66,424,549.38
  4. Step 4: Simplify right side
    122,175,377.70x = 11,199,534,200,854,764
  5. Step 5: Solve for x
    x = 11,199,534,200,854,764/122,175,377.70
  6. Step 6: Final answer
    x = 91,667,686.33

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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.