Home / 149,883,933.08-206,776,490.88-100,340,266.88

Finding the Fourth Proportional to 149,883,933.08, 206,776,490.88 and 100,340,266.88

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Solution

The fourth proportional to 149,883,933.08, 206,776,490.88 and 100,340,266.88 is: 138,427,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,883,933.08 : 206,776,490.88 = 100,340,266.88 : x
  2. Step 2: Convert to fraction form
    149,883,933.08/206,776,490.88 = 100,340,266.88/x
  3. Step 3: Cross multiply
    149,883,933.08x = 206,776,490.88 × 100,340,266.88
  4. Step 4: Simplify right side
    149,883,933.08x = 20,748,008,279,409,084
  5. Step 5: Solve for x
    x = 20,748,008,279,409,084/149,883,933.08
  6. Step 6: Final answer
    x = 138,427,167.30

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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.