Home / 120,526,329.66-166,319,271.99-65,521,705.02

Finding the Fourth Proportional to 120,526,329.66, 166,319,271.99 and 65,521,705.02

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Solution

The fourth proportional to 120,526,329.66, 166,319,271.99 and 65,521,705.02 is: 90,416,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,526,329.66 : 166,319,271.99 = 65,521,705.02 : x
  2. Step 2: Convert to fraction form
    120,526,329.66/166,319,271.99 = 65,521,705.02/x
  3. Step 3: Cross multiply
    120,526,329.66x = 166,319,271.99 × 65,521,705.02
  4. Step 4: Simplify right side
    120,526,329.66x = 10,897,522,278,469,930
  5. Step 5: Solve for x
    x = 10,897,522,278,469,930/120,526,329.66
  6. Step 6: Final answer
    x = 90,416,113.30

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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.