Home / 222,335,998.40-333,503,997.60-78,743,345.60

Finding the Fourth Proportional to 222,335,998.40, 333,503,997.60 and 78,743,345.60

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Solution

The fourth proportional to 222,335,998.40, 333,503,997.60 and 78,743,345.60 is: 118,115,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,335,998.40 : 333,503,997.60 = 78,743,345.60 : x
  2. Step 2: Convert to fraction form
    222,335,998.40/333,503,997.60 = 78,743,345.60/x
  3. Step 3: Cross multiply
    222,335,998.40x = 333,503,997.60 × 78,743,345.60
  4. Step 4: Simplify right side
    222,335,998.40x = 26,261,220,541,998,372
  5. Step 5: Solve for x
    x = 26,261,220,541,998,372/222,335,998.40
  6. Step 6: Final answer
    x = 118,115,018.40

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1.5x scale

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.