Home / 186,313,925.74-257,108,788.87-101,543,721.25

Finding the Fourth Proportional to 186,313,925.74, 257,108,788.87 and 101,543,721.25

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Solution

The fourth proportional to 186,313,925.74, 257,108,788.87 and 101,543,721.25 is: 140,127,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,313,925.74 : 257,108,788.87 = 101,543,721.25 : x
  2. Step 2: Convert to fraction form
    186,313,925.74/257,108,788.87 = 101,543,721.25/x
  3. Step 3: Cross multiply
    186,313,925.74x = 257,108,788.87 × 101,543,721.25
  4. Step 4: Simplify right side
    186,313,925.74x = 26,107,783,187,743,892
  5. Step 5: Solve for x
    x = 26,107,783,187,743,892/186,313,925.74
  6. Step 6: Final answer
    x = 140,127,921.65

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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.