Home / 162,083,220.27-223,674,916.17-87,743,778.40

Finding the Fourth Proportional to 162,083,220.27, 223,674,916.17 and 87,743,778.40

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Solution

The fourth proportional to 162,083,220.27, 223,674,916.17 and 87,743,778.40 is: 121,086,453.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,083,220.27 : 223,674,916.17 = 87,743,778.40 : x
  2. Step 2: Convert to fraction form
    162,083,220.27/223,674,916.17 = 87,743,778.40/x
  3. Step 3: Cross multiply
    162,083,220.27x = 223,674,916.17 × 87,743,778.40
  4. Step 4: Simplify right side
    162,083,220.27x = 19,626,082,278,667,692
  5. Step 5: Solve for x
    x = 19,626,082,278,667,692/162,083,220.27
  6. Step 6: Final answer
    x = 121,086,453.28

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1.5x scale

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.