Home / 68,098,800.60-102,148,200.90-56,141,378.10

Finding the Fourth Proportional to 68,098,800.60, 102,148,200.90 and 56,141,378.10

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Solution

The fourth proportional to 68,098,800.60, 102,148,200.90 and 56,141,378.10 is: 84,212,067.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,098,800.60 : 102,148,200.90 = 56,141,378.10 : x
  2. Step 2: Convert to fraction form
    68,098,800.60/102,148,200.90 = 56,141,378.10/x
  3. Step 3: Cross multiply
    68,098,800.60x = 102,148,200.90 × 56,141,378.10
  4. Step 4: Simplify right side
    68,098,800.60x = 5,734,740,768,961,661
  5. Step 5: Solve for x
    x = 5,734,740,768,961,661/68,098,800.60
  6. Step 6: Final answer
    x = 84,212,067.15

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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.