Home / 74,069,101.31-111,103,334.64-18,737,460.02

Finding the Fourth Proportional to 74,069,101.31, 111,103,334.64 and 18,737,460.02

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Solution

The fourth proportional to 74,069,101.31, 111,103,334.64 and 18,737,460.02 is: 28,106,109.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,069,101.31 : 111,103,334.64 = 18,737,460.02 : x
  2. Step 2: Convert to fraction form
    74,069,101.31/111,103,334.64 = 18,737,460.02/x
  3. Step 3: Cross multiply
    74,069,101.31x = 111,103,334.64 × 18,737,460.02
  4. Step 4: Simplify right side
    74,069,101.31x = 2,081,794,291,183,439.50
  5. Step 5: Solve for x
    x = 2,081,794,291,183,439.50/74,069,101.31
  6. Step 6: Final answer
    x = 28,106,109.76

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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.