Home / 187,498,913.60-281,248,401.08-78,264,495.64

Finding the Fourth Proportional to 187,498,913.60, 281,248,401.08 and 78,264,495.64

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Solution

The fourth proportional to 187,498,913.60, 281,248,401.08 and 78,264,495.64 is: 117,396,756.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,498,913.60 : 281,248,401.08 = 78,264,495.64 : x
  2. Step 2: Convert to fraction form
    187,498,913.60/281,248,401.08 = 78,264,495.64/x
  3. Step 3: Cross multiply
    187,498,913.60x = 281,248,401.08 × 78,264,495.64
  4. Step 4: Simplify right side
    187,498,913.60x = 22,011,764,260,629,852
  5. Step 5: Solve for x
    x = 22,011,764,260,629,852/187,498,913.60
  6. Step 6: Final answer
    x = 117,396,756.27

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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.