Home / 47,341,993.20-71,012,989.80-38,831,938.80

Finding the Fourth Proportional to 47,341,993.20, 71,012,989.80 and 38,831,938.80

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Solution

The fourth proportional to 47,341,993.20, 71,012,989.80 and 38,831,938.80 is: 58,247,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,341,993.20 : 71,012,989.80 = 38,831,938.80 : x
  2. Step 2: Convert to fraction form
    47,341,993.20/71,012,989.80 = 38,831,938.80/x
  3. Step 3: Cross multiply
    47,341,993.20x = 71,012,989.80 × 38,831,938.80
  4. Step 4: Simplify right side
    47,341,993.20x = 2,757,572,073,918,624
  5. Step 5: Solve for x
    x = 2,757,572,073,918,624/47,341,993.20
  6. Step 6: Final answer
    x = 58,247,908.20

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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.