Home / 74,069,105.88-111,103,341.48-18,737,464.59

Finding the Fourth Proportional to 74,069,105.88, 111,103,341.48 and 18,737,464.59

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Solution

The fourth proportional to 74,069,105.88, 111,103,341.48 and 18,737,464.59 is: 28,106,116.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,069,105.88 : 111,103,341.48 = 18,737,464.59 : x
  2. Step 2: Convert to fraction form
    74,069,105.88/111,103,341.48 = 18,737,464.59/x
  3. Step 3: Cross multiply
    74,069,105.88x = 111,103,341.48 × 18,737,464.59
  4. Step 4: Simplify right side
    74,069,105.88x = 2,081,794,926,812,178.25
  5. Step 5: Solve for x
    x = 2,081,794,926,812,178.25/74,069,105.88
  6. Step 6: Final answer
    x = 28,106,116.61

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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.