Home / 200,979,055,077.97-301,557,607,978.56-105,342,345,417.01

Finding the Fourth Proportional to 200,979,055,077.97, 301,557,607,978.56 and 105,342,345,417.01

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Solution

The fourth proportional to 200,979,055,077.97, 301,557,607,978.56 and 105,342,345,417.01 is: 158,060,180,402.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,979,055,077.97 : 301,557,607,978.56 = 105,342,345,417.01 : x
  2. Step 2: Convert to fraction form
    200,979,055,077.97/301,557,607,978.56 = 105,342,345,417.01/x
  3. Step 3: Cross multiply
    200,979,055,077.97x = 301,557,607,978.56 × 105,342,345,417.01
  4. Step 4: Simplify right side
    200,979,055,077.97x = 31,766,785,702,804,754,268,160
  5. Step 5: Solve for x
    x = 31,766,785,702,804,754,268,160/200,979,055,077.97
  6. Step 6: Final answer
    x = 158,060,180,402.78

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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.