Home / 138,026,107.60-206,863,326.60-73,360,891.60

Finding the Fourth Proportional to 138,026,107.60, 206,863,326.60 and 73,360,891.60

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Solution

The fourth proportional to 138,026,107.60, 206,863,326.60 and 73,360,891.60 is: 109,947,881.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,026,107.60 : 206,863,326.60 = 73,360,891.60 : x
  2. Step 2: Convert to fraction form
    138,026,107.60/206,863,326.60 = 73,360,891.60/x
  3. Step 3: Cross multiply
    138,026,107.60x = 206,863,326.60 × 73,360,891.60
  4. Step 4: Simplify right side
    138,026,107.60x = 15,175,678,078,717,994
  5. Step 5: Solve for x
    x = 15,175,678,078,717,994/138,026,107.60
  6. Step 6: Final answer
    x = 109,947,881.18

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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.