Home / 186,053,500-279,058,955.52-49,749,512.32

Finding the Fourth Proportional to 186,053,500, 279,058,955.52 and 49,749,512.32

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Solution

The fourth proportional to 186,053,500, 279,058,955.52 and 49,749,512.32 is: 74,618,574.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,053,500 : 279,058,955.52 = 49,749,512.32 : x
  2. Step 2: Convert to fraction form
    186,053,500/279,058,955.52 = 49,749,512.32/x
  3. Step 3: Cross multiply
    186,053,500x = 279,058,955.52 × 49,749,512.32
  4. Step 4: Simplify right side
    186,053,500x = 13,883,046,945,648,572
  5. Step 5: Solve for x
    x = 13,883,046,945,648,572/186,053,500
  6. Step 6: Final answer
    x = 74,618,574.47

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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.