Home / 142,832,082.41-197,110,433.44-80,122,081.37

Finding the Fourth Proportional to 142,832,082.41, 197,110,433.44 and 80,122,081.37

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Solution

The fourth proportional to 142,832,082.41, 197,110,433.44 and 80,122,081.37 is: 110,569,683.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,832,082.41 : 197,110,433.44 = 80,122,081.37 : x
  2. Step 2: Convert to fraction form
    142,832,082.41/197,110,433.44 = 80,122,081.37/x
  3. Step 3: Cross multiply
    142,832,082.41x = 197,110,433.44 × 80,122,081.37
  4. Step 4: Simplify right side
    142,832,082.41x = 15,792,898,186,070,248
  5. Step 5: Solve for x
    x = 15,792,898,186,070,248/142,832,082.41
  6. Step 6: Final answer
    x = 110,569,683.78

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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.