Home / 120,906,582.70-166,851,129-68,695,686.94

Finding the Fourth Proportional to 120,906,582.70, 166,851,129 and 68,695,686.94

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Solution

The fourth proportional to 120,906,582.70, 166,851,129 and 68,695,686.94 is: 94,800,073.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,906,582.70 : 166,851,129 = 68,695,686.94 : x
  2. Step 2: Convert to fraction form
    120,906,582.70/166,851,129 = 68,695,686.94/x
  3. Step 3: Cross multiply
    120,906,582.70x = 166,851,129 × 68,695,686.94
  4. Step 4: Simplify right side
    120,906,582.70x = 11,461,952,923,369,554
  5. Step 5: Solve for x
    x = 11,461,952,923,369,554/120,906,582.70
  6. Step 6: Final answer
    x = 94,800,073.47

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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.