Home / 136,204,549.85-187,966,266.59-74,328,876.65

Finding the Fourth Proportional to 136,204,549.85, 187,966,266.59 and 74,328,876.65

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Solution

The fourth proportional to 136,204,549.85, 187,966,266.59 and 74,328,876.65 is: 102,576,025.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,204,549.85 : 187,966,266.59 = 74,328,876.65 : x
  2. Step 2: Convert to fraction form
    136,204,549.85/187,966,266.59 = 74,328,876.65/x
  3. Step 3: Cross multiply
    136,204,549.85x = 187,966,266.59 × 74,328,876.65
  4. Step 4: Simplify right side
    136,204,549.85x = 13,971,321,443,729,128
  5. Step 5: Solve for x
    x = 13,971,321,443,729,128/136,204,549.85
  6. Step 6: Final answer
    x = 102,576,025.98

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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.