Home / 101,471,350.11-140,030,847.31-55,061,604.03

Finding the Fourth Proportional to 101,471,350.11, 140,030,847.31 and 55,061,604.03

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Solution

The fourth proportional to 101,471,350.11, 140,030,847.31 and 55,061,604.03 is: 75,985,222.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,471,350.11 : 140,030,847.31 = 55,061,604.03 : x
  2. Step 2: Convert to fraction form
    101,471,350.11/140,030,847.31 = 55,061,604.03/x
  3. Step 3: Cross multiply
    101,471,350.11x = 140,030,847.31 × 55,061,604.03
  4. Step 4: Simplify right side
    101,471,350.11x = 7,710,323,066,430,957
  5. Step 5: Solve for x
    x = 7,710,323,066,430,957/101,471,350.11
  6. Step 6: Final answer
    x = 75,985,222.02

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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.