Home / 47,341,806.20-71,012,709.30-38,831,751.80

Finding the Fourth Proportional to 47,341,806.20, 71,012,709.30 and 38,831,751.80

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Solution

The fourth proportional to 47,341,806.20, 71,012,709.30 and 38,831,751.80 is: 58,247,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,341,806.20 : 71,012,709.30 = 38,831,751.80 : x
  2. Step 2: Convert to fraction form
    47,341,806.20/71,012,709.30 = 38,831,751.80/x
  3. Step 3: Cross multiply
    47,341,806.20x = 71,012,709.30 × 38,831,751.80
  4. Step 4: Simplify right side
    47,341,806.20x = 2,757,547,902,183,151.50
  5. Step 5: Solve for x
    x = 2,757,547,902,183,151.50/47,341,806.20
  6. Step 6: Final answer
    x = 58,247,627.70

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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.