Home / 77,420,399-106,785,755.94-50,950,319.24

Finding the Fourth Proportional to 77,420,399, 106,785,755.94 and 50,950,319.24

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Solution

The fourth proportional to 77,420,399, 106,785,755.94 and 50,950,319.24 is: 70,275,643.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,420,399 : 106,785,755.94 = 50,950,319.24 : x
  2. Step 2: Convert to fraction form
    77,420,399/106,785,755.94 = 50,950,319.24/x
  3. Step 3: Cross multiply
    77,420,399x = 106,785,755.94 × 50,950,319.24
  4. Step 4: Simplify right side
    77,420,399x = 5,440,768,355,427,726
  5. Step 5: Solve for x
    x = 5,440,768,355,427,726/77,420,399
  6. Step 6: Final answer
    x = 70,275,643.44

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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.