Home / 57,062,825.25-78,746,851.48-30,957,343.08

Finding the Fourth Proportional to 57,062,825.25, 78,746,851.48 and 30,957,343.08

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Solution

The fourth proportional to 57,062,825.25, 78,746,851.48 and 30,957,343.08 is: 42,721,216.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,062,825.25 : 78,746,851.48 = 30,957,343.08 : x
  2. Step 2: Convert to fraction form
    57,062,825.25/78,746,851.48 = 30,957,343.08/x
  3. Step 3: Cross multiply
    57,062,825.25x = 78,746,851.48 × 30,957,343.08
  4. Step 4: Simplify right side
    57,062,825.25x = 2,437,793,297,736,165.50
  5. Step 5: Solve for x
    x = 2,437,793,297,736,165.50/57,062,825.25
  6. Step 6: Final answer
    x = 42,721,216.26

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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.