Home / 85,202,629.65-117,584,898.12-47,011,571.88

Finding the Fourth Proportional to 85,202,629.65, 117,584,898.12 and 47,011,571.88

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Solution

The fourth proportional to 85,202,629.65, 117,584,898.12 and 47,011,571.88 is: 64,878,876.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,202,629.65 : 117,584,898.12 = 47,011,571.88 : x
  2. Step 2: Convert to fraction form
    85,202,629.65/117,584,898.12 = 47,011,571.88/x
  3. Step 3: Cross multiply
    85,202,629.65x = 117,584,898.12 × 47,011,571.88
  4. Step 4: Simplify right side
    85,202,629.65x = 5,527,850,889,265,404
  5. Step 5: Solve for x
    x = 5,527,850,889,265,404/85,202,629.65
  6. Step 6: Final answer
    x = 64,878,876.53

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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.