Home / 126,914,385.72-175,077,386.40-82,887,156.48

Finding the Fourth Proportional to 126,914,385.72, 175,077,386.40 and 82,887,156.48

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Solution

The fourth proportional to 126,914,385.72, 175,077,386.40 and 82,887,156.48 is: 114,342,173.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,914,385.72 : 175,077,386.40 = 82,887,156.48 : x
  2. Step 2: Convert to fraction form
    126,914,385.72/175,077,386.40 = 82,887,156.48/x
  3. Step 3: Cross multiply
    126,914,385.72x = 175,077,386.40 × 82,887,156.48
  4. Step 4: Simplify right side
    126,914,385.72x = 14,511,666,722,646,226
  5. Step 5: Solve for x
    x = 14,511,666,722,646,226/126,914,385.72
  6. Step 6: Final answer
    x = 114,342,173.59

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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.