Home / 119,150,143.20-178,725,214.80-73,800,511.20

Finding the Fourth Proportional to 119,150,143.20, 178,725,214.80 and 73,800,511.20

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Solution

The fourth proportional to 119,150,143.20, 178,725,214.80 and 73,800,511.20 is: 110,700,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,150,143.20 : 178,725,214.80 = 73,800,511.20 : x
  2. Step 2: Convert to fraction form
    119,150,143.20/178,725,214.80 = 73,800,511.20/x
  3. Step 3: Cross multiply
    119,150,143.20x = 178,725,214.80 × 73,800,511.20
  4. Step 4: Simplify right side
    119,150,143.20x = 13,190,012,216,569,808
  5. Step 5: Solve for x
    x = 13,190,012,216,569,808/119,150,143.20
  6. Step 6: Final answer
    x = 110,700,766.80

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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.