Home / 299,657,862.36-449,487,371.52-115,512,055.20

Finding the Fourth Proportional to 299,657,862.36, 449,487,371.52 and 115,512,055.20

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Solution

The fourth proportional to 299,657,862.36, 449,487,371.52 and 115,512,055.20 is: 173,268,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,657,862.36 : 449,487,371.52 = 115,512,055.20 : x
  2. Step 2: Convert to fraction form
    299,657,862.36/449,487,371.52 = 115,512,055.20/x
  3. Step 3: Cross multiply
    299,657,862.36x = 449,487,371.52 × 115,512,055.20
  4. Step 4: Simplify right side
    299,657,862.36x = 51,921,210,070,721,144
  5. Step 5: Solve for x
    x = 51,921,210,070,721,144/299,657,862.36
  6. Step 6: Final answer
    x = 173,268,305.60

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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.