Home / 186,552,140.40-279,864,077.40-71,527,712.40

Finding the Fourth Proportional to 186,552,140.40, 279,864,077.40 and 71,527,712.40

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Solution

The fourth proportional to 186,552,140.40, 279,864,077.40 and 71,527,712.40 is: 107,305,320.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,552,140.40 : 279,864,077.40 = 71,527,712.40 : x
  2. Step 2: Convert to fraction form
    186,552,140.40/279,864,077.40 = 71,527,712.40/x
  3. Step 3: Cross multiply
    186,552,140.40x = 279,864,077.40 × 71,527,712.40
  4. Step 4: Simplify right side
    186,552,140.40x = 20,018,037,239,358,540
  5. Step 5: Solve for x
    x = 20,018,037,239,358,540/186,552,140.40
  6. Step 6: Final answer
    x = 107,305,320.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.