Home / 309,772,600.29-427,469,961.33-170,516,162.61

Finding the Fourth Proportional to 309,772,600.29, 427,469,961.33 and 170,516,162.61

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Solution

The fourth proportional to 309,772,600.29, 427,469,961.33 and 170,516,162.61 is: 235,303,372.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,772,600.29 : 427,469,961.33 = 170,516,162.61 : x
  2. Step 2: Convert to fraction form
    309,772,600.29/427,469,961.33 = 170,516,162.61/x
  3. Step 3: Cross multiply
    309,772,600.29x = 427,469,961.33 × 170,516,162.61
  4. Step 4: Simplify right side
    309,772,600.29x = 72,890,537,437,036,688
  5. Step 5: Solve for x
    x = 72,890,537,437,036,688/309,772,600.29
  6. Step 6: Final answer
    x = 235,303,372.11

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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.