Home / 119,179,947.60-178,769,921.40-106,330,885.20

Finding the Fourth Proportional to 119,179,947.60, 178,769,921.40 and 106,330,885.20

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Solution

The fourth proportional to 119,179,947.60, 178,769,921.40 and 106,330,885.20 is: 159,496,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,179,947.60 : 178,769,921.40 = 106,330,885.20 : x
  2. Step 2: Convert to fraction form
    119,179,947.60/178,769,921.40 = 106,330,885.20/x
  3. Step 3: Cross multiply
    119,179,947.60x = 178,769,921.40 × 106,330,885.20
  4. Step 4: Simplify right side
    119,179,947.60x = 19,008,763,989,596,424
  5. Step 5: Solve for x
    x = 19,008,763,989,596,424/119,179,947.60
  6. Step 6: Final answer
    x = 159,496,327.80

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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.