Home / 69,899,682.16-104,849,468.16-18,781,701.04

Finding the Fourth Proportional to 69,899,682.16, 104,849,468.16 and 18,781,701.04

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Solution

The fourth proportional to 69,899,682.16, 104,849,468.16 and 18,781,701.04 is: 28,172,536.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,899,682.16 : 104,849,468.16 = 18,781,701.04 : x
  2. Step 2: Convert to fraction form
    69,899,682.16/104,849,468.16 = 18,781,701.04/x
  3. Step 3: Cross multiply
    69,899,682.16x = 104,849,468.16 × 18,781,701.04
  4. Step 4: Simplify right side
    69,899,682.16x = 1,969,251,365,184,118.75
  5. Step 5: Solve for x
    x = 1,969,251,365,184,118.75/69,899,682.16
  6. Step 6: Final answer
    x = 28,172,536.76

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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.