Home / 62,851,399.49-86,685,794.84-40,831,993.55

Finding the Fourth Proportional to 62,851,399.49, 86,685,794.84 and 40,831,993.55

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Solution

The fourth proportional to 62,851,399.49, 86,685,794.84 and 40,831,993.55 is: 56,316,229.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,851,399.49 : 86,685,794.84 = 40,831,993.55 : x
  2. Step 2: Convert to fraction form
    62,851,399.49/86,685,794.84 = 40,831,993.55/x
  3. Step 3: Cross multiply
    62,851,399.49x = 86,685,794.84 × 40,831,993.55
  4. Step 4: Simplify right side
    62,851,399.49x = 3,539,553,815,796,057.50
  5. Step 5: Solve for x
    x = 3,539,553,815,796,057.50/62,851,399.49
  6. Step 6: Final answer
    x = 56,316,229.15

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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.