Home / 57,342,934.53-86,026,989.33-42,150,807.81

Finding the Fourth Proportional to 57,342,934.53, 86,026,989.33 and 42,150,807.81

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Solution

The fourth proportional to 57,342,934.53, 86,026,989.33 and 42,150,807.81 is: 63,235,464.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,342,934.53 : 86,026,989.33 = 42,150,807.81 : x
  2. Step 2: Convert to fraction form
    57,342,934.53/86,026,989.33 = 42,150,807.81/x
  3. Step 3: Cross multiply
    57,342,934.53x = 86,026,989.33 × 42,150,807.81
  4. Step 4: Simplify right side
    57,342,934.53x = 3,626,107,093,721,751
  5. Step 5: Solve for x
    x = 3,626,107,093,721,751/57,342,934.53
  6. Step 6: Final answer
    x = 63,235,464.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.