Home / 100,950,579.40-151,425,869.10-100,312,850.20

Finding the Fourth Proportional to 100,950,579.40, 151,425,869.10 and 100,312,850.20

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Solution

The fourth proportional to 100,950,579.40, 151,425,869.10 and 100,312,850.20 is: 150,469,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,950,579.40 : 151,425,869.10 = 100,312,850.20 : x
  2. Step 2: Convert to fraction form
    100,950,579.40/151,425,869.10 = 100,312,850.20/x
  3. Step 3: Cross multiply
    100,950,579.40x = 151,425,869.10 × 100,312,850.20
  4. Step 4: Simplify right side
    100,950,579.40x = 15,189,960,523,433,108
  5. Step 5: Solve for x
    x = 15,189,960,523,433,108/100,950,579.40
  6. Step 6: Final answer
    x = 150,469,275.30

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1.5x scale

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.