Home / 446,073,441.28-669,035,947.52-135,107,123.72

Finding the Fourth Proportional to 446,073,441.28, 669,035,947.52 and 135,107,123.72

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Solution

The fourth proportional to 446,073,441.28, 669,035,947.52 and 135,107,123.72 is: 202,638,207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,073,441.28 : 669,035,947.52 = 135,107,123.72 : x
  2. Step 2: Convert to fraction form
    446,073,441.28/669,035,947.52 = 135,107,123.72/x
  3. Step 3: Cross multiply
    446,073,441.28x = 669,035,947.52 × 135,107,123.72
  4. Step 4: Simplify right side
    446,073,441.28x = 90,391,522,531,704,656
  5. Step 5: Solve for x
    x = 90,391,522,531,704,656/446,073,441.28
  6. Step 6: Final answer
    x = 202,638,207.45

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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.