Home / 197,398,017.77-272,413,420.67-108,093,712.55

Finding the Fourth Proportional to 197,398,017.77, 272,413,420.67 and 108,093,712.55

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Solution

The fourth proportional to 197,398,017.77, 272,413,420.67 and 108,093,712.55 is: 149,171,599.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,398,017.77 : 272,413,420.67 = 108,093,712.55 : x
  2. Step 2: Convert to fraction form
    197,398,017.77/272,413,420.67 = 108,093,712.55/x
  3. Step 3: Cross multiply
    197,398,017.77x = 272,413,420.67 × 108,093,712.55
  4. Step 4: Simplify right side
    197,398,017.77x = 29,446,177,986,762,676
  5. Step 5: Solve for x
    x = 29,446,177,986,762,676/197,398,017.77
  6. Step 6: Final answer
    x = 149,171,599.19

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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.