Home / 186,053,478.46-279,058,923.15-49,749,490.78

Finding the Fourth Proportional to 186,053,478.46, 279,058,923.15 and 49,749,490.78

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Solution

The fourth proportional to 186,053,478.46, 279,058,923.15 and 49,749,490.78 is: 74,618,542.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,053,478.46 : 279,058,923.15 = 49,749,490.78 : x
  2. Step 2: Convert to fraction form
    186,053,478.46/279,058,923.15 = 49,749,490.78/x
  3. Step 3: Cross multiply
    186,053,478.46x = 279,058,923.15 × 49,749,490.78
  4. Step 4: Simplify right side
    186,053,478.46x = 13,883,039,324,327,652
  5. Step 5: Solve for x
    x = 13,883,039,324,327,652/186,053,478.46
  6. Step 6: Final answer
    x = 74,618,542.15

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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.