Home / 136,169,604.47-187,906,398.40-77,446,554.95

Finding the Fourth Proportional to 136,169,604.47, 187,906,398.40 and 77,446,554.95

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Solution

The fourth proportional to 136,169,604.47, 187,906,398.40 and 77,446,554.95 is: 106,871,891.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,169,604.47 : 187,906,398.40 = 77,446,554.95 : x
  2. Step 2: Convert to fraction form
    136,169,604.47/187,906,398.40 = 77,446,554.95/x
  3. Step 3: Cross multiply
    136,169,604.47x = 187,906,398.40 × 77,446,554.95
  4. Step 4: Simplify right side
    136,169,604.47x = 14,552,703,209,142,194
  5. Step 5: Solve for x
    x = 14,552,703,209,142,194/136,169,604.47
  6. Step 6: Final answer
    x = 106,871,891.61

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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.