Home / 67,041,543.27-100,508,047.18-20,959,692.14

Finding the Fourth Proportional to 67,041,543.27, 100,508,047.18 and 20,959,692.14

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Solution

The fourth proportional to 67,041,543.27, 100,508,047.18 and 20,959,692.14 is: 31,422,572.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,041,543.27 : 100,508,047.18 = 20,959,692.14 : x
  2. Step 2: Convert to fraction form
    67,041,543.27/100,508,047.18 = 20,959,692.14/x
  3. Step 3: Cross multiply
    67,041,543.27x = 100,508,047.18 × 20,959,692.14
  4. Step 4: Simplify right side
    67,041,543.27x = 2,106,617,726,485,395.50
  5. Step 5: Solve for x
    x = 2,106,617,726,485,395.50/67,041,543.27
  6. Step 6: Final answer
    x = 31,422,572.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.