Home / 136,945,141.84-188,874,101.35-120,389,868.95

Finding the Fourth Proportional to 136,945,141.84, 188,874,101.35 and 120,389,868.95

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Solution

The fourth proportional to 136,945,141.84, 188,874,101.35 and 120,389,868.95 is: 166,041,146.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,945,141.84 : 188,874,101.35 = 120,389,868.95 : x
  2. Step 2: Convert to fraction form
    136,945,141.84/188,874,101.35 = 120,389,868.95/x
  3. Step 3: Cross multiply
    136,945,141.84x = 188,874,101.35 × 120,389,868.95
  4. Step 4: Simplify right side
    136,945,141.84x = 22,738,528,309,575,516
  5. Step 5: Solve for x
    x = 22,738,528,309,575,516/136,945,141.84
  6. Step 6: Final answer
    x = 166,041,146.14

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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.