Home / 123,700,648.80-170,702,218.38-68,700,048.24

Finding the Fourth Proportional to 123,700,648.80, 170,702,218.38 and 68,700,048.24

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Solution

The fourth proportional to 123,700,648.80, 170,702,218.38 and 68,700,048.24 is: 94,803,469.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,700,648.80 : 170,702,218.38 = 68,700,048.24 : x
  2. Step 2: Convert to fraction form
    123,700,648.80/170,702,218.38 = 68,700,048.24/x
  3. Step 3: Cross multiply
    123,700,648.80x = 170,702,218.38 × 68,700,048.24
  4. Step 4: Simplify right side
    123,700,648.80x = 11,727,250,637,381,014
  5. Step 5: Solve for x
    x = 11,727,250,637,381,014/123,700,648.80
  6. Step 6: Final answer
    x = 94,803,469.11

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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.