Home / 315,068,273.85-434,763,139.17-173,930,329.29

Finding the Fourth Proportional to 315,068,273.85, 434,763,139.17 and 173,930,329.29

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Solution

The fourth proportional to 315,068,273.85, 434,763,139.17 and 173,930,329.29 is: 240,006,697.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,068,273.85 : 434,763,139.17 = 173,930,329.29 : x
  2. Step 2: Convert to fraction form
    315,068,273.85/434,763,139.17 = 173,930,329.29/x
  3. Step 3: Cross multiply
    315,068,273.85x = 434,763,139.17 × 173,930,329.29
  4. Step 4: Simplify right side
    315,068,273.85x = 75,618,495,958,992,192
  5. Step 5: Solve for x
    x = 75,618,495,958,992,192/315,068,273.85
  6. Step 6: Final answer
    x = 240,006,697.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.