Home / 55,633,759.10-76,779,183.76-30,861,932.70

Finding the Fourth Proportional to 55,633,759.10, 76,779,183.76 and 30,861,932.70

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Solution

The fourth proportional to 55,633,759.10, 76,779,183.76 and 30,861,932.70 is: 42,592,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,633,759.10 : 76,779,183.76 = 30,861,932.70 : x
  2. Step 2: Convert to fraction form
    55,633,759.10/76,779,183.76 = 30,861,932.70/x
  3. Step 3: Cross multiply
    55,633,759.10x = 76,779,183.76 × 30,861,932.70
  4. Step 4: Simplify right side
    55,633,759.10x = 2,369,554,001,962,053
  5. Step 5: Solve for x
    x = 2,369,554,001,962,053/55,633,759.10
  6. Step 6: Final answer
    x = 42,592,016.80

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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.