Home / 147,424,542.80-203,444,480.52-81,345,638.48

Finding the Fourth Proportional to 147,424,542.80, 203,444,480.52 and 81,345,638.48

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Solution

The fourth proportional to 147,424,542.80, 203,444,480.52 and 81,345,638.48 is: 112,256,214.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,424,542.80 : 203,444,480.52 = 81,345,638.48 : x
  2. Step 2: Convert to fraction form
    147,424,542.80/203,444,480.52 = 81,345,638.48/x
  3. Step 3: Cross multiply
    147,424,542.80x = 203,444,480.52 × 81,345,638.48
  4. Step 4: Simplify right side
    147,424,542.80x = 16,549,321,163,131,324
  5. Step 5: Solve for x
    x = 16,549,321,163,131,324/147,424,542.80
  6. Step 6: Final answer
    x = 112,256,214.93

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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.