Home / 136,633,343.31-188,558,510.31-74,752,265.79

Finding the Fourth Proportional to 136,633,343.31, 188,558,510.31 and 74,752,265.79

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Solution

The fourth proportional to 136,633,343.31, 188,558,510.31 and 74,752,265.79 is: 103,160,586.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,633,343.31 : 188,558,510.31 = 74,752,265.79 : x
  2. Step 2: Convert to fraction form
    136,633,343.31/188,558,510.31 = 74,752,265.79/x
  3. Step 3: Cross multiply
    136,633,343.31x = 188,558,510.31 × 74,752,265.79
  4. Step 4: Simplify right side
    136,633,343.31x = 14,095,175,879,659,576
  5. Step 5: Solve for x
    x = 14,095,175,879,659,576/136,633,343.31
  6. Step 6: Final answer
    x = 103,160,586.85

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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.