Home / 30,611,155.68-42,243,437.97-16,672,565.34

Finding the Fourth Proportional to 30,611,155.68, 42,243,437.97 and 16,672,565.34

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Solution

The fourth proportional to 30,611,155.68, 42,243,437.97 and 16,672,565.34 is: 23,008,163.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,611,155.68 : 42,243,437.97 = 16,672,565.34 : x
  2. Step 2: Convert to fraction form
    30,611,155.68/42,243,437.97 = 16,672,565.34/x
  3. Step 3: Cross multiply
    30,611,155.68x = 42,243,437.97 × 16,672,565.34
  4. Step 4: Simplify right side
    30,611,155.68x = 704,306,479,741,061.88
  5. Step 5: Solve for x
    x = 704,306,479,741,061.88/30,611,155.68
  6. Step 6: Final answer
    x = 23,008,163.66

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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.