Home / 80,200,448.52-120,281,410.74-37,028,171.84

Finding the Fourth Proportional to 80,200,448.52, 120,281,410.74 and 37,028,171.84

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Solution

The fourth proportional to 80,200,448.52, 120,281,410.74 and 37,028,171.84 is: 55,533,364.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,200,448.52 : 120,281,410.74 = 37,028,171.84 : x
  2. Step 2: Convert to fraction form
    80,200,448.52/120,281,410.74 = 37,028,171.84/x
  3. Step 3: Cross multiply
    80,200,448.52x = 120,281,410.74 × 37,028,171.84
  4. Step 4: Simplify right side
    80,200,448.52x = 4,453,800,746,038,342
  5. Step 5: Solve for x
    x = 4,453,800,746,038,342/80,200,448.52
  6. Step 6: Final answer
    x = 55,533,364.57

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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.