Home / 77,420,394-106,785,749.04-50,950,314.24

Finding the Fourth Proportional to 77,420,394, 106,785,749.04 and 50,950,314.24

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Solution

The fourth proportional to 77,420,394, 106,785,749.04 and 50,950,314.24 is: 70,275,636.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,420,394 : 106,785,749.04 = 50,950,314.24 : x
  2. Step 2: Convert to fraction form
    77,420,394/106,785,749.04 = 50,950,314.24/x
  3. Step 3: Cross multiply
    77,420,394x = 106,785,749.04 × 50,950,314.24
  4. Step 4: Simplify right side
    77,420,394x = 5,440,767,469,941,779
  5. Step 5: Solve for x
    x = 5,440,767,469,941,779/77,420,394
  6. Step 6: Final answer
    x = 70,275,636.55

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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.