Home / 126,470,003.60-189,705,005.40-75,451,667.60

Finding the Fourth Proportional to 126,470,003.60, 189,705,005.40 and 75,451,667.60

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Solution

The fourth proportional to 126,470,003.60, 189,705,005.40 and 75,451,667.60 is: 113,177,501.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,470,003.60 : 189,705,005.40 = 75,451,667.60 : x
  2. Step 2: Convert to fraction form
    126,470,003.60/189,705,005.40 = 75,451,667.60/x
  3. Step 3: Cross multiply
    126,470,003.60x = 189,705,005.40 × 75,451,667.60
  4. Step 4: Simplify right side
    126,470,003.60x = 14,313,559,009,497,004
  5. Step 5: Solve for x
    x = 14,313,559,009,497,004/126,470,003.60
  6. Step 6: Final answer
    x = 113,177,501.40

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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.