Home / 112,338,345.40-168,523,847.70-47,642,025.40

Finding the Fourth Proportional to 112,338,345.40, 168,523,847.70 and 47,642,025.40

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Solution

The fourth proportional to 112,338,345.40, 168,523,847.70 and 47,642,025.40 is: 71,469,963.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,338,345.40 : 168,523,847.70 = 47,642,025.40 : x
  2. Step 2: Convert to fraction form
    112,338,345.40/168,523,847.70 = 47,642,025.40/x
  3. Step 3: Cross multiply
    112,338,345.40x = 168,523,847.70 × 47,642,025.40
  4. Step 4: Simplify right side
    112,338,345.40x = 8,028,817,432,629,131
  5. Step 5: Solve for x
    x = 8,028,817,432,629,131/112,338,345.40
  6. Step 6: Final answer
    x = 71,469,963.39

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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.