Home / 186,258,761.68-257,042,918.92-106,888,343.56

Finding the Fourth Proportional to 186,258,761.68, 257,042,918.92 and 106,888,343.56

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Solution

The fourth proportional to 186,258,761.68, 257,042,918.92 and 106,888,343.56 is: 147,509,258.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,258,761.68 : 257,042,918.92 = 106,888,343.56 : x
  2. Step 2: Convert to fraction form
    186,258,761.68/257,042,918.92 = 106,888,343.56/x
  3. Step 3: Cross multiply
    186,258,761.68x = 257,042,918.92 × 106,888,343.56
  4. Step 4: Simplify right side
    186,258,761.68x = 27,474,891,827,186,184
  5. Step 5: Solve for x
    x = 27,474,891,827,186,184/186,258,761.68
  6. Step 6: Final answer
    x = 147,509,258.51

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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.