Home / 118,052,612.32-162,912,822.39-65,845,013.06

Finding the Fourth Proportional to 118,052,612.32, 162,912,822.39 and 65,845,013.06

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Solution

The fourth proportional to 118,052,612.32, 162,912,822.39 and 65,845,013.06 is: 90,866,239.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,052,612.32 : 162,912,822.39 = 65,845,013.06 : x
  2. Step 2: Convert to fraction form
    118,052,612.32/162,912,822.39 = 65,845,013.06/x
  3. Step 3: Cross multiply
    118,052,612.32x = 162,912,822.39 × 65,845,013.06
  4. Step 4: Simplify right side
    118,052,612.32x = 10,726,996,917,911,010
  5. Step 5: Solve for x
    x = 10,726,996,917,911,010/118,052,612.32
  6. Step 6: Final answer
    x = 90,866,239.27

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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.