Home / 101,151,029.50-139,588,419-54,741,283.42

Finding the Fourth Proportional to 101,151,029.50, 139,588,419 and 54,741,283.42

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Solution

The fourth proportional to 101,151,029.50, 139,588,419 and 54,741,283.42 is: 75,542,970.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,151,029.50 : 139,588,419 = 54,741,283.42 : x
  2. Step 2: Convert to fraction form
    101,151,029.50/139,588,419 = 54,741,283.42/x
  3. Step 3: Cross multiply
    101,151,029.50x = 139,588,419 × 54,741,283.42
  4. Step 4: Simplify right side
    101,151,029.50x = 7,641,249,206,628,713
  5. Step 5: Solve for x
    x = 7,641,249,206,628,713/101,151,029.50
  6. Step 6: Final answer
    x = 75,542,970.19

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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.