Home / 143,623,058.70-215,569,890.45-75,514,629.90

Finding the Fourth Proportional to 143,623,058.70, 215,569,890.45 and 75,514,629.90

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Solution

The fourth proportional to 143,623,058.70, 215,569,890.45 and 75,514,629.90 is: 113,343,084.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,623,058.70 : 215,569,890.45 = 75,514,629.90 : x
  2. Step 2: Convert to fraction form
    143,623,058.70/215,569,890.45 = 75,514,629.90/x
  3. Step 3: Cross multiply
    143,623,058.70x = 215,569,890.45 × 75,514,629.90
  4. Step 4: Simplify right side
    143,623,058.70x = 16,278,680,494,915,294
  5. Step 5: Solve for x
    x = 16,278,680,494,915,294/143,623,058.70
  6. Step 6: Final answer
    x = 113,343,084.62

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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.