Home / 123,700,565.02-170,702,103.05-68,699,964.46

Finding the Fourth Proportional to 123,700,565.02, 170,702,103.05 and 68,699,964.46

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Solution

The fourth proportional to 123,700,565.02, 170,702,103.05 and 68,699,964.46 is: 94,803,353.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,700,565.02 : 170,702,103.05 = 68,699,964.46 : x
  2. Step 2: Convert to fraction form
    123,700,565.02/170,702,103.05 = 68,699,964.46/x
  3. Step 3: Cross multiply
    123,700,565.02x = 170,702,103.05 × 68,699,964.46
  4. Step 4: Simplify right side
    123,700,565.02x = 11,727,228,412,397,846
  5. Step 5: Solve for x
    x = 11,727,228,412,397,846/123,700,565.02
  6. Step 6: Final answer
    x = 94,803,353.65

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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.