Home / 70,305,371.70-105,442,311.15-46,213,379.70

Finding the Fourth Proportional to 70,305,371.70, 105,442,311.15 and 46,213,379.70

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Solution

The fourth proportional to 70,305,371.70, 105,442,311.15 and 46,213,379.70 is: 69,309,719.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,305,371.70 : 105,442,311.15 = 46,213,379.70 : x
  2. Step 2: Convert to fraction form
    70,305,371.70/105,442,311.15 = 46,213,379.70/x
  3. Step 3: Cross multiply
    70,305,371.70x = 105,442,311.15 × 46,213,379.70
  4. Step 4: Simplify right side
    70,305,371.70x = 4,872,845,561,620,494
  5. Step 5: Solve for x
    x = 4,872,845,561,620,494/70,305,371.70
  6. Step 6: Final answer
    x = 69,309,719.07

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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.