Home / 72,621,811.70-108,806,746.35-47,049,658.10

Finding the Fourth Proportional to 72,621,811.70, 108,806,746.35 and 47,049,658.10

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Solution

The fourth proportional to 72,621,811.70, 108,806,746.35 and 47,049,658.10 is: 70,492,873.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,621,811.70 : 108,806,746.35 = 47,049,658.10 : x
  2. Step 2: Convert to fraction form
    72,621,811.70/108,806,746.35 = 47,049,658.10/x
  3. Step 3: Cross multiply
    72,621,811.70x = 108,806,746.35 × 47,049,658.10
  4. Step 4: Simplify right side
    72,621,811.70x = 5,119,320,214,740,923
  5. Step 5: Solve for x
    x = 5,119,320,214,740,923/72,621,811.70
  6. Step 6: Final answer
    x = 70,492,873.90

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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.