Home / 112,083,053.40-168,156,072.90-54,577,200.60

Finding the Fourth Proportional to 112,083,053.40, 168,156,072.90 and 54,577,200.60

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Solution

The fourth proportional to 112,083,053.40, 168,156,072.90 and 54,577,200.60 is: 81,881,135.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,083,053.40 : 168,156,072.90 = 54,577,200.60 : x
  2. Step 2: Convert to fraction form
    112,083,053.40/168,156,072.90 = 54,577,200.60/x
  3. Step 3: Cross multiply
    112,083,053.40x = 168,156,072.90 × 54,577,200.60
  4. Step 4: Simplify right side
    112,083,053.40x = 9,177,487,722,771,524
  5. Step 5: Solve for x
    x = 9,177,487,722,771,524/112,083,053.40
  6. Step 6: Final answer
    x = 81,881,135.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.