Home / 74,069,100.99-111,103,334.17-18,737,459.71

Finding the Fourth Proportional to 74,069,100.99, 111,103,334.17 and 18,737,459.71

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Solution

The fourth proportional to 74,069,100.99, 111,103,334.17 and 18,737,459.71 is: 28,106,109.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,069,100.99 : 111,103,334.17 = 18,737,459.71 : x
  2. Step 2: Convert to fraction form
    74,069,100.99/111,103,334.17 = 18,737,459.71/x
  3. Step 3: Cross multiply
    74,069,100.99x = 111,103,334.17 × 18,737,459.71
  4. Step 4: Simplify right side
    74,069,100.99x = 2,081,794,247,657,041.50
  5. Step 5: Solve for x
    x = 2,081,794,247,657,041.50/74,069,100.99
  6. Step 6: Final answer
    x = 28,106,109.29

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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.