Home / 222,408,086.40-333,612,129.60-69,069,643.20

Finding the Fourth Proportional to 222,408,086.40, 333,612,129.60 and 69,069,643.20

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Solution

The fourth proportional to 222,408,086.40, 333,612,129.60 and 69,069,643.20 is: 103,604,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,408,086.40 : 333,612,129.60 = 69,069,643.20 : x
  2. Step 2: Convert to fraction form
    222,408,086.40/333,612,129.60 = 69,069,643.20/x
  3. Step 3: Cross multiply
    222,408,086.40x = 333,612,129.60 × 69,069,643.20
  4. Step 4: Simplify right side
    222,408,086.40x = 23,042,470,758,664,160
  5. Step 5: Solve for x
    x = 23,042,470,758,664,160/222,408,086.40
  6. Step 6: Final answer
    x = 103,604,464.80

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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.