Home / 118,052,612.82-162,912,823.08-65,845,013.56

Finding the Fourth Proportional to 118,052,612.82, 162,912,823.08 and 65,845,013.56

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Solution

The fourth proportional to 118,052,612.82, 162,912,823.08 and 65,845,013.56 is: 90,866,239.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,052,612.82 : 162,912,823.08 = 65,845,013.56 : x
  2. Step 2: Convert to fraction form
    118,052,612.82/162,912,823.08 = 65,845,013.56/x
  3. Step 3: Cross multiply
    118,052,612.82x = 162,912,823.08 × 65,845,013.56
  4. Step 4: Simplify right side
    118,052,612.82x = 10,726,997,044,800,482
  5. Step 5: Solve for x
    x = 10,726,997,044,800,482/118,052,612.82
  6. Step 6: Final answer
    x = 90,866,239.96

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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.