Home / 71,284,896.04-98,373,251.46-38,689,852.20

Finding the Fourth Proportional to 71,284,896.04, 98,373,251.46 and 38,689,852.20

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Solution

The fourth proportional to 71,284,896.04, 98,373,251.46 and 38,689,852.20 is: 53,392,047.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,284,896.04 : 98,373,251.46 = 38,689,852.20 : x
  2. Step 2: Convert to fraction form
    71,284,896.04/98,373,251.46 = 38,689,852.20/x
  3. Step 3: Cross multiply
    71,284,896.04x = 98,373,251.46 × 38,689,852.20
  4. Step 4: Simplify right side
    71,284,896.04x = 3,806,046,559,420,834.50
  5. Step 5: Solve for x
    x = 3,806,046,559,420,834.50/71,284,896.04
  6. Step 6: Final answer
    x = 53,392,047.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.