Home / 135,942,447.60-203,913,671.40-45,066,036.60

Finding the Fourth Proportional to 135,942,447.60, 203,913,671.40 and 45,066,036.60

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Solution

The fourth proportional to 135,942,447.60, 203,913,671.40 and 45,066,036.60 is: 67,599,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,942,447.60 : 203,913,671.40 = 45,066,036.60 : x
  2. Step 2: Convert to fraction form
    135,942,447.60/203,913,671.40 = 45,066,036.60/x
  3. Step 3: Cross multiply
    135,942,447.60x = 203,913,671.40 × 45,066,036.60
  4. Step 4: Simplify right side
    135,942,447.60x = 9,189,580,978,552,774
  5. Step 5: Solve for x
    x = 9,189,580,978,552,774/135,942,447.60
  6. Step 6: Final answer
    x = 67,599,054.90

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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.