Home / 75,726,862.34-113,590,286.54-18,219,133.58

Finding the Fourth Proportional to 75,726,862.34, 113,590,286.54 and 18,219,133.58

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Solution

The fourth proportional to 75,726,862.34, 113,590,286.54 and 18,219,133.58 is: 27,328,698.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,726,862.34 : 113,590,286.54 = 18,219,133.58 : x
  2. Step 2: Convert to fraction form
    75,726,862.34/113,590,286.54 = 18,219,133.58/x
  3. Step 3: Cross multiply
    75,726,862.34x = 113,590,286.54 × 18,219,133.58
  4. Step 4: Simplify right side
    75,726,862.34x = 2,069,516,603,862,736
  5. Step 5: Solve for x
    x = 2,069,516,603,862,736/75,726,862.34
  6. Step 6: Final answer
    x = 27,328,698.69

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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.