Home / 85,045,419.87-127,586,734.50-27,543,503.67

Finding the Fourth Proportional to 85,045,419.87, 127,586,734.50 and 27,543,503.67

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Solution

The fourth proportional to 85,045,419.87, 127,586,734.50 and 27,543,503.67 is: 41,321,280.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,045,419.87 : 127,586,734.50 = 27,543,503.67 : x
  2. Step 2: Convert to fraction form
    85,045,419.87/127,586,734.50 = 27,543,503.67/x
  3. Step 3: Cross multiply
    85,045,419.87x = 127,586,734.50 × 27,543,503.67
  4. Step 4: Simplify right side
    85,045,419.87x = 3,514,185,689,944,066
  5. Step 5: Solve for x
    x = 3,514,185,689,944,066/85,045,419.87
  6. Step 6: Final answer
    x = 41,321,280.97

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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.