Home / 186,846,229.71-257,842,799.44-103,212,560.37

Finding the Fourth Proportional to 186,846,229.71, 257,842,799.44 and 103,212,560.37

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Solution

The fourth proportional to 186,846,229.71, 257,842,799.44 and 103,212,560.37 is: 142,430,572.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,846,229.71 : 257,842,799.44 = 103,212,560.37 : x
  2. Step 2: Convert to fraction form
    186,846,229.71/257,842,799.44 = 103,212,560.37/x
  3. Step 3: Cross multiply
    186,846,229.71x = 257,842,799.44 × 103,212,560.37
  4. Step 4: Simplify right side
    186,846,229.71x = 26,612,615,503,879,680
  5. Step 5: Solve for x
    x = 26,612,615,503,879,680/186,846,229.71
  6. Step 6: Final answer
    x = 142,430,572.70

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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.