Home / 74,069,101.87-111,103,335.48-18,737,460.59

Finding the Fourth Proportional to 74,069,101.87, 111,103,335.48 and 18,737,460.59

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Solution

The fourth proportional to 74,069,101.87, 111,103,335.48 and 18,737,460.59 is: 28,106,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,069,101.87 : 111,103,335.48 = 18,737,460.59 : x
  2. Step 2: Convert to fraction form
    74,069,101.87/111,103,335.48 = 18,737,460.59/x
  3. Step 3: Cross multiply
    74,069,101.87x = 111,103,335.48 × 18,737,460.59
  4. Step 4: Simplify right side
    74,069,101.87x = 2,081,794,369,488,797.75
  5. Step 5: Solve for x
    x = 2,081,794,369,488,797.75/74,069,101.87
  6. Step 6: Final answer
    x = 28,106,110.60

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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.