Home / 134,756,109.27-185,963,990.13-72,876,448.44

Finding the Fourth Proportional to 134,756,109.27, 185,963,990.13 and 72,876,448.44

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Solution

The fourth proportional to 134,756,109.27, 185,963,990.13 and 72,876,448.44 is: 100,569,801.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,756,109.27 : 185,963,990.13 = 72,876,448.44 : x
  2. Step 2: Convert to fraction form
    134,756,109.27/185,963,990.13 = 72,876,448.44/x
  3. Step 3: Cross multiply
    134,756,109.27x = 185,963,990.13 × 72,876,448.44
  4. Step 4: Simplify right side
    134,756,109.27x = 13,552,395,138,405,614
  5. Step 5: Solve for x
    x = 13,552,395,138,405,614/134,756,109.27
  6. Step 6: Final answer
    x = 100,569,801.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.