Home / 74,490,193,529.70-111,735,290,294.55-66,408,889,107.30

Finding the Fourth Proportional to 74,490,193,529.70, 111,735,290,294.55 and 66,408,889,107.30

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Solution

The fourth proportional to 74,490,193,529.70, 111,735,290,294.55 and 66,408,889,107.30 is: 99,613,333,660.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,490,193,529.70 : 111,735,290,294.55 = 66,408,889,107.30 : x
  2. Step 2: Convert to fraction form
    74,490,193,529.70/111,735,290,294.55 = 66,408,889,107.30/x
  3. Step 3: Cross multiply
    74,490,193,529.70x = 111,735,290,294.55 × 66,408,889,107.30
  4. Step 4: Simplify right side
    74,490,193,529.70x = 7,420,216,502,542,745,468,928
  5. Step 5: Solve for x
    x = 7,420,216,502,542,745,468,928/74,490,193,529.70
  6. Step 6: Final answer
    x = 99,613,333,660.95

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Double scale
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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.