Home / 46,659,811.40-69,989,717.10-39,857,366.60

Finding the Fourth Proportional to 46,659,811.40, 69,989,717.10 and 39,857,366.60

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Solution

The fourth proportional to 46,659,811.40, 69,989,717.10 and 39,857,366.60 is: 59,786,049.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,659,811.40 : 69,989,717.10 = 39,857,366.60 : x
  2. Step 2: Convert to fraction form
    46,659,811.40/69,989,717.10 = 39,857,366.60/x
  3. Step 3: Cross multiply
    46,659,811.40x = 69,989,717.10 × 39,857,366.60
  4. Step 4: Simplify right side
    46,659,811.40x = 2,789,605,812,684,988.50
  5. Step 5: Solve for x
    x = 2,789,605,812,684,988.50/46,659,811.40
  6. Step 6: Final answer
    x = 59,786,049.90

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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.