Home / 107,565,521.85-161,348,282.78-68,823,472.95

Finding the Fourth Proportional to 107,565,521.85, 161,348,282.78 and 68,823,472.95

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Solution

The fourth proportional to 107,565,521.85, 161,348,282.78 and 68,823,472.95 is: 103,235,209.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,565,521.85 : 161,348,282.78 = 68,823,472.95 : x
  2. Step 2: Convert to fraction form
    107,565,521.85/161,348,282.78 = 68,823,472.95/x
  3. Step 3: Cross multiply
    107,565,521.85x = 161,348,282.78 × 68,823,472.95
  4. Step 4: Simplify right side
    107,565,521.85x = 11,104,549,175,094,164
  5. Step 5: Solve for x
    x = 11,104,549,175,094,164/107,565,521.85
  6. Step 6: Final answer
    x = 103,235,209.43

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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.