Home / 56,968,975.52-78,617,265.99-30,863,493.35

Finding the Fourth Proportional to 56,968,975.52, 78,617,265.99 and 30,863,493.35

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Solution

The fourth proportional to 56,968,975.52, 78,617,265.99 and 30,863,493.35 is: 42,591,664.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,968,975.52 : 78,617,265.99 = 30,863,493.35 : x
  2. Step 2: Convert to fraction form
    56,968,975.52/78,617,265.99 = 30,863,493.35/x
  3. Step 3: Cross multiply
    56,968,975.52x = 78,617,265.99 × 30,863,493.35
  4. Step 4: Simplify right side
    56,968,975.52x = 2,426,403,466,016,644.50
  5. Step 5: Solve for x
    x = 2,426,403,466,016,644.50/56,968,975.52
  6. Step 6: Final answer
    x = 42,591,664.04

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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.