Home / 56,185,849.56-84,278,882.76-21,658,510.68

Finding the Fourth Proportional to 56,185,849.56, 84,278,882.76 and 21,658,510.68

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Solution

The fourth proportional to 56,185,849.56, 84,278,882.76 and 21,658,510.68 is: 32,487,807.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,185,849.56 : 84,278,882.76 = 21,658,510.68 : x
  2. Step 2: Convert to fraction form
    56,185,849.56/84,278,882.76 = 21,658,510.68/x
  3. Step 3: Cross multiply
    56,185,849.56x = 84,278,882.76 × 21,658,510.68
  4. Step 4: Simplify right side
    56,185,849.56x = 1,825,355,082,355,928
  5. Step 5: Solve for x
    x = 1,825,355,082,355,928/56,185,849.56
  6. Step 6: Final answer
    x = 32,487,807.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.