Home / 112,099,358.80-168,149,038.20-68,828,251.60

Finding the Fourth Proportional to 112,099,358.80, 168,149,038.20 and 68,828,251.60

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Solution

The fourth proportional to 112,099,358.80, 168,149,038.20 and 68,828,251.60 is: 103,242,377.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,099,358.80 : 168,149,038.20 = 68,828,251.60 : x
  2. Step 2: Convert to fraction form
    112,099,358.80/168,149,038.20 = 68,828,251.60/x
  3. Step 3: Cross multiply
    112,099,358.80x = 168,149,038.20 × 68,828,251.60
  4. Step 4: Simplify right side
    112,099,358.80x = 11,573,404,307,527,610
  5. Step 5: Solve for x
    x = 11,573,404,307,527,610/112,099,358.80
  6. Step 6: Final answer
    x = 103,242,377.40

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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.