Home / 136,169,602.47-187,906,395.65-77,446,552.95

Finding the Fourth Proportional to 136,169,602.47, 187,906,395.65 and 77,446,552.95

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Solution

The fourth proportional to 136,169,602.47, 187,906,395.65 and 77,446,552.95 is: 106,871,888.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,169,602.47 : 187,906,395.65 = 77,446,552.95 : x
  2. Step 2: Convert to fraction form
    136,169,602.47/187,906,395.65 = 77,446,552.95/x
  3. Step 3: Cross multiply
    136,169,602.47x = 187,906,395.65 × 77,446,552.95
  4. Step 4: Simplify right side
    136,169,602.47x = 14,552,702,619,964,144
  5. Step 5: Solve for x
    x = 14,552,702,619,964,144/136,169,602.47
  6. Step 6: Final answer
    x = 106,871,888.85

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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.