Home / 209,989,764.48-314,999,780.33-80,597,374.60

Finding the Fourth Proportional to 209,989,764.48, 314,999,780.33 and 80,597,374.60

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Solution

The fourth proportional to 209,989,764.48, 314,999,780.33 and 80,597,374.60 is: 120,901,870.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,989,764.48 : 314,999,780.33 = 80,597,374.60 : x
  2. Step 2: Convert to fraction form
    209,989,764.48/314,999,780.33 = 80,597,374.60/x
  3. Step 3: Cross multiply
    209,989,764.48x = 314,999,780.33 × 80,597,374.60
  4. Step 4: Simplify right side
    209,989,764.48x = 25,388,155,293,317,680
  5. Step 5: Solve for x
    x = 25,388,155,293,317,680/209,989,764.48
  6. Step 6: Final answer
    x = 120,901,870.41

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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.