Home / 120,526,341.91-166,319,288.89-65,521,717.27

Finding the Fourth Proportional to 120,526,341.91, 166,319,288.89 and 65,521,717.27

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Solution

The fourth proportional to 120,526,341.91, 166,319,288.89 and 65,521,717.27 is: 90,416,130.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,526,341.91 : 166,319,288.89 = 65,521,717.27 : x
  2. Step 2: Convert to fraction form
    120,526,341.91/166,319,288.89 = 65,521,717.27/x
  3. Step 3: Cross multiply
    120,526,341.91x = 166,319,288.89 × 65,521,717.27
  4. Step 4: Simplify right side
    120,526,341.91x = 10,897,525,423,198,032
  5. Step 5: Solve for x
    x = 10,897,525,423,198,032/120,526,341.91
  6. Step 6: Final answer
    x = 90,416,130.20

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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.