Home / 112,068,008.70-168,102,013.05-39,366,879.90

Finding the Fourth Proportional to 112,068,008.70, 168,102,013.05 and 39,366,879.90

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Solution

The fourth proportional to 112,068,008.70, 168,102,013.05 and 39,366,879.90 is: 59,050,319.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,068,008.70 : 168,102,013.05 = 39,366,879.90 : x
  2. Step 2: Convert to fraction form
    112,068,008.70/168,102,013.05 = 39,366,879.90/x
  3. Step 3: Cross multiply
    112,068,008.70x = 168,102,013.05 × 39,366,879.90
  4. Step 4: Simplify right side
    112,068,008.70x = 6,617,651,758,687,583
  5. Step 5: Solve for x
    x = 6,617,651,758,687,583/112,068,008.70
  6. Step 6: Final answer
    x = 59,050,319.85

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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.