Home / 123,700,647.80-170,702,217-68,700,047.24

Finding the Fourth Proportional to 123,700,647.80, 170,702,217 and 68,700,047.24

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Solution

The fourth proportional to 123,700,647.80, 170,702,217 and 68,700,047.24 is: 94,803,467.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,700,647.80 : 170,702,217 = 68,700,047.24 : x
  2. Step 2: Convert to fraction form
    123,700,647.80/170,702,217 = 68,700,047.24/x
  3. Step 3: Cross multiply
    123,700,647.80x = 170,702,217 × 68,700,047.24
  4. Step 4: Simplify right side
    123,700,647.80x = 11,727,250,371,872,730
  5. Step 5: Solve for x
    x = 11,727,250,371,872,730/123,700,647.80
  6. Step 6: Final answer
    x = 94,803,467.73

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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.