Home / 52,276,867.20-78,415,300.80-49,925,404.80

Finding the Fourth Proportional to 52,276,867.20, 78,415,300.80 and 49,925,404.80

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Solution

The fourth proportional to 52,276,867.20, 78,415,300.80 and 49,925,404.80 is: 74,888,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,276,867.20 : 78,415,300.80 = 49,925,404.80 : x
  2. Step 2: Convert to fraction form
    52,276,867.20/78,415,300.80 = 49,925,404.80/x
  3. Step 3: Cross multiply
    52,276,867.20x = 78,415,300.80 × 49,925,404.80
  4. Step 4: Simplify right side
    52,276,867.20x = 3,914,915,634,953,763.50
  5. Step 5: Solve for x
    x = 3,914,915,634,953,763.50/52,276,867.20
  6. Step 6: Final answer
    x = 74,888,107.20

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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.