Home / 119,724,339.60-179,138,093.40-85,260,416.40

Finding the Fourth Proportional to 119,724,339.60, 179,138,093.40 and 85,260,416.40

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Solution

The fourth proportional to 119,724,339.60, 179,138,093.40 and 85,260,416.40 is: 127,571,289.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,724,339.60 : 179,138,093.40 = 85,260,416.40 : x
  2. Step 2: Convert to fraction form
    119,724,339.60/179,138,093.40 = 85,260,416.40/x
  3. Step 3: Cross multiply
    119,724,339.60x = 179,138,093.40 × 85,260,416.40
  4. Step 4: Simplify right side
    119,724,339.60x = 15,273,388,436,386,094
  5. Step 5: Solve for x
    x = 15,273,388,436,386,094/119,724,339.60
  6. Step 6: Final answer
    x = 127,571,289.91

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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.