Home / 119,085,280.80-178,627,921.20-58,619,104.80

Finding the Fourth Proportional to 119,085,280.80, 178,627,921.20 and 58,619,104.80

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Solution

The fourth proportional to 119,085,280.80, 178,627,921.20 and 58,619,104.80 is: 87,928,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,085,280.80 : 178,627,921.20 = 58,619,104.80 : x
  2. Step 2: Convert to fraction form
    119,085,280.80/178,627,921.20 = 58,619,104.80/x
  3. Step 3: Cross multiply
    119,085,280.80x = 178,627,921.20 × 58,619,104.80
  4. Step 4: Simplify right side
    119,085,280.80x = 10,471,008,833,028,940
  5. Step 5: Solve for x
    x = 10,471,008,833,028,940/119,085,280.80
  6. Step 6: Final answer
    x = 87,928,657.20

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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.