Home / 164,011,420.50-226,340,484.21-90,677,286.42

Finding the Fourth Proportional to 164,011,420.50, 226,340,484.21 and 90,677,286.42

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Solution

The fourth proportional to 164,011,420.50, 226,340,484.21 and 90,677,286.42 is: 125,137,266.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,011,420.50 : 226,340,484.21 = 90,677,286.42 : x
  2. Step 2: Convert to fraction form
    164,011,420.50/226,340,484.21 = 90,677,286.42/x
  3. Step 3: Cross multiply
    164,011,420.50x = 226,340,484.21 × 90,677,286.42
  4. Step 4: Simplify right side
    164,011,420.50x = 20,523,940,915,151,660
  5. Step 5: Solve for x
    x = 20,523,940,915,151,660/164,011,420.50
  6. Step 6: Final answer
    x = 125,137,266.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.