Home / 112,077,329.20-168,115,993.80-54,681,701.20

Finding the Fourth Proportional to 112,077,329.20, 168,115,993.80 and 54,681,701.20

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Solution

The fourth proportional to 112,077,329.20, 168,115,993.80 and 54,681,701.20 is: 82,022,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,077,329.20 : 168,115,993.80 = 54,681,701.20 : x
  2. Step 2: Convert to fraction form
    112,077,329.20/168,115,993.80 = 54,681,701.20/x
  3. Step 3: Cross multiply
    112,077,329.20x = 168,115,993.80 × 54,681,701.20
  4. Step 4: Simplify right side
    112,077,329.20x = 9,192,868,539,912,654
  5. Step 5: Solve for x
    x = 9,192,868,539,912,654/112,077,329.20
  6. Step 6: Final answer
    x = 82,022,551.80

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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.