Home / 315,045,110.25-434,750,855.39-173,913,299.38

Finding the Fourth Proportional to 315,045,110.25, 434,750,855.39 and 173,913,299.38

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Solution

The fourth proportional to 315,045,110.25, 434,750,855.39 and 173,913,299.38 is: 239,994,061.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,045,110.25 : 434,750,855.39 = 173,913,299.38 : x
  2. Step 2: Convert to fraction form
    315,045,110.25/434,750,855.39 = 173,913,299.38/x
  3. Step 3: Cross multiply
    315,045,110.25x = 434,750,855.39 × 173,913,299.38
  4. Step 4: Simplify right side
    315,045,110.25x = 75,608,955,669,152,160
  5. Step 5: Solve for x
    x = 75,608,955,669,152,160/315,045,110.25
  6. Step 6: Final answer
    x = 239,994,061.83

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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.