Home / 217,331,605.35-299,890,334.75-146,920,377.69

Finding the Fourth Proportional to 217,331,605.35, 299,890,334.75 and 146,920,377.69

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Solution

The fourth proportional to 217,331,605.35, 299,890,334.75 and 146,920,377.69 is: 202,731,678.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,331,605.35 : 299,890,334.75 = 146,920,377.69 : x
  2. Step 2: Convert to fraction form
    217,331,605.35/299,890,334.75 = 146,920,377.69/x
  3. Step 3: Cross multiply
    217,331,605.35x = 299,890,334.75 × 146,920,377.69
  4. Step 4: Simplify right side
    217,331,605.35x = 44,060,001,246,315,928
  5. Step 5: Solve for x
    x = 44,060,001,246,315,928/217,331,605.35
  6. Step 6: Final answer
    x = 202,731,678.97

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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.