Home / 136,955,062.25-188,977,807.22-83,282,342.48

Finding the Fourth Proportional to 136,955,062.25, 188,977,807.22 and 83,282,342.48

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Solution

The fourth proportional to 136,955,062.25, 188,977,807.22 and 83,282,342.48 is: 114,917,361.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,955,062.25 : 188,977,807.22 = 83,282,342.48 : x
  2. Step 2: Convert to fraction form
    136,955,062.25/188,977,807.22 = 83,282,342.48/x
  3. Step 3: Cross multiply
    136,955,062.25x = 188,977,807.22 × 83,282,342.48
  4. Step 4: Simplify right side
    136,955,062.25x = 15,738,514,462,071,490
  5. Step 5: Solve for x
    x = 15,738,514,462,071,490/136,955,062.25
  6. Step 6: Final answer
    x = 114,917,361.97

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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.