Home / 101,187,362.85-139,639,013.69-54,777,616.77

Finding the Fourth Proportional to 101,187,362.85, 139,639,013.69 and 54,777,616.77

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Solution

The fourth proportional to 101,187,362.85, 139,639,013.69 and 54,777,616.77 is: 75,593,356.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,187,362.85 : 139,639,013.69 = 54,777,616.77 : x
  2. Step 2: Convert to fraction form
    101,187,362.85/139,639,013.69 = 54,777,616.77/x
  3. Step 3: Cross multiply
    101,187,362.85x = 139,639,013.69 × 54,777,616.77
  4. Step 4: Simplify right side
    101,187,362.85x = 7,649,092,378,609,759
  5. Step 5: Solve for x
    x = 7,649,092,378,609,759/101,187,362.85
  6. Step 6: Final answer
    x = 75,593,356.35

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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.