Home / 74,069,109.74-111,103,347.29-18,737,468.46

Finding the Fourth Proportional to 74,069,109.74, 111,103,347.29 and 18,737,468.46

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Solution

The fourth proportional to 74,069,109.74, 111,103,347.29 and 18,737,468.46 is: 28,106,122.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,069,109.74 : 111,103,347.29 = 18,737,468.46 : x
  2. Step 2: Convert to fraction form
    74,069,109.74/111,103,347.29 = 18,737,468.46/x
  3. Step 3: Cross multiply
    74,069,109.74x = 111,103,347.29 × 18,737,468.46
  4. Step 4: Simplify right side
    74,069,109.74x = 2,081,795,465,553,114.25
  5. Step 5: Solve for x
    x = 2,081,795,465,553,114.25/74,069,109.74
  6. Step 6: Final answer
    x = 28,106,122.41

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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.