Home / 65,582,092.99-90,511,267.76-38,080,020.43

Finding the Fourth Proportional to 65,582,092.99, 90,511,267.76 and 38,080,020.43

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Solution

The fourth proportional to 65,582,092.99, 90,511,267.76 and 38,080,020.43 is: 52,555,061.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,582,092.99 : 90,511,267.76 = 38,080,020.43 : x
  2. Step 2: Convert to fraction form
    65,582,092.99/90,511,267.76 = 38,080,020.43/x
  3. Step 3: Cross multiply
    65,582,092.99x = 90,511,267.76 × 38,080,020.43
  4. Step 4: Simplify right side
    65,582,092.99x = 3,446,670,925,446,000.50
  5. Step 5: Solve for x
    x = 3,446,670,925,446,000.50/65,582,092.99
  6. Step 6: Final answer
    x = 52,555,061.42

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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.