Home / 78,417,616.20-117,626,424.30-27,282,640.20

Finding the Fourth Proportional to 78,417,616.20, 117,626,424.30 and 27,282,640.20

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Solution

The fourth proportional to 78,417,616.20, 117,626,424.30 and 27,282,640.20 is: 40,923,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,417,616.20 : 117,626,424.30 = 27,282,640.20 : x
  2. Step 2: Convert to fraction form
    78,417,616.20/117,626,424.30 = 27,282,640.20/x
  3. Step 3: Cross multiply
    78,417,616.20x = 117,626,424.30 × 27,282,640.20
  4. Step 4: Simplify right side
    78,417,616.20x = 3,209,159,412,189,436.50
  5. Step 5: Solve for x
    x = 3,209,159,412,189,436.50/78,417,616.20
  6. Step 6: Final answer
    x = 40,923,960.30

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1.5x scale

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.