Home / 61,308,944.40-91,963,416.60-54,408,003.60

Finding the Fourth Proportional to 61,308,944.40, 91,963,416.60 and 54,408,003.60

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Solution

The fourth proportional to 61,308,944.40, 91,963,416.60 and 54,408,003.60 is: 81,612,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,308,944.40 : 91,963,416.60 = 54,408,003.60 : x
  2. Step 2: Convert to fraction form
    61,308,944.40/91,963,416.60 = 54,408,003.60/x
  3. Step 3: Cross multiply
    61,308,944.40x = 91,963,416.60 × 54,408,003.60
  4. Step 4: Simplify right side
    61,308,944.40x = 5,003,545,901,441,100
  5. Step 5: Solve for x
    x = 5,003,545,901,441,100/61,308,944.40
  6. Step 6: Final answer
    x = 81,612,005.40

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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.