Home / 101,991,017.16-140,707,651.30-62,764,692.75

Finding the Fourth Proportional to 101,991,017.16, 140,707,651.30 and 62,764,692.75

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Solution

The fourth proportional to 101,991,017.16, 140,707,651.30 and 62,764,692.75 is: 86,590,689.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,991,017.16 : 140,707,651.30 = 62,764,692.75 : x
  2. Step 2: Convert to fraction form
    101,991,017.16/140,707,651.30 = 62,764,692.75/x
  3. Step 3: Cross multiply
    101,991,017.16x = 140,707,651.30 × 62,764,692.75
  4. Step 4: Simplify right side
    101,991,017.16x = 8,831,472,501,261,727
  5. Step 5: Solve for x
    x = 8,831,472,501,261,727/101,991,017.16
  6. Step 6: Final answer
    x = 86,590,689.53

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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.