Home / 75,983,472.68-113,973,610.62-18,476,038.76

Finding the Fourth Proportional to 75,983,472.68, 113,973,610.62 and 18,476,038.76

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Solution

The fourth proportional to 75,983,472.68, 113,973,610.62 and 18,476,038.76 is: 27,713,669.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,983,472.68 : 113,973,610.62 = 18,476,038.76 : x
  2. Step 2: Convert to fraction form
    75,983,472.68/113,973,610.62 = 18,476,038.76/x
  3. Step 3: Cross multiply
    75,983,472.68x = 113,973,610.62 × 18,476,038.76
  4. Step 4: Simplify right side
    75,983,472.68x = 2,105,780,847,432,268
  5. Step 5: Solve for x
    x = 2,105,780,847,432,268/75,983,472.68
  6. Step 6: Final answer
    x = 27,713,669.48

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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.