Home / 144,342,246.80-199,179,983.40-81,615,270.80

Finding the Fourth Proportional to 144,342,246.80, 199,179,983.40 and 81,615,270.80

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Solution

The fourth proportional to 144,342,246.80, 199,179,983.40 and 81,615,270.80 is: 112,622,109.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,342,246.80 : 199,179,983.40 = 81,615,270.80 : x
  2. Step 2: Convert to fraction form
    144,342,246.80/199,179,983.40 = 81,615,270.80/x
  3. Step 3: Cross multiply
    144,342,246.80x = 199,179,983.40 × 81,615,270.80
  4. Step 4: Simplify right side
    144,342,246.80x = 16,256,128,283,130,504
  5. Step 5: Solve for x
    x = 16,256,128,283,130,504/144,342,246.80
  6. Step 6: Final answer
    x = 112,622,109.21

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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.