Home / 112,523,404.80-168,785,107.20-102,109,785.60

Finding the Fourth Proportional to 112,523,404.80, 168,785,107.20 and 102,109,785.60

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Solution

The fourth proportional to 112,523,404.80, 168,785,107.20 and 102,109,785.60 is: 153,164,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,523,404.80 : 168,785,107.20 = 102,109,785.60 : x
  2. Step 2: Convert to fraction form
    112,523,404.80/168,785,107.20 = 102,109,785.60/x
  3. Step 3: Cross multiply
    112,523,404.80x = 168,785,107.20 × 102,109,785.60
  4. Step 4: Simplify right side
    112,523,404.80x = 17,234,611,108,665,014
  5. Step 5: Solve for x
    x = 17,234,611,108,665,014/112,523,404.80
  6. Step 6: Final answer
    x = 153,164,678.40

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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.