Home / 136,204,545.60-187,966,260.72-74,328,872.40

Finding the Fourth Proportional to 136,204,545.60, 187,966,260.72 and 74,328,872.40

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Solution

The fourth proportional to 136,204,545.60, 187,966,260.72 and 74,328,872.40 is: 102,576,020.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,204,545.60 : 187,966,260.72 = 74,328,872.40 : x
  2. Step 2: Convert to fraction form
    136,204,545.60/187,966,260.72 = 74,328,872.40/x
  3. Step 3: Cross multiply
    136,204,545.60x = 187,966,260.72 × 74,328,872.40
  4. Step 4: Simplify right side
    136,204,545.60x = 13,971,320,208,562,014
  5. Step 5: Solve for x
    x = 13,971,320,208,562,014/136,204,545.60
  6. Step 6: Final answer
    x = 102,576,020.11

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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.