Home / 101,291,757.41-139,728,704.87-61,611,424.52

Finding the Fourth Proportional to 101,291,757.41, 139,728,704.87 and 61,611,424.52

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Solution

The fourth proportional to 101,291,757.41, 139,728,704.87 and 61,611,424.52 is: 84,990,968.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,291,757.41 : 139,728,704.87 = 61,611,424.52 : x
  2. Step 2: Convert to fraction form
    101,291,757.41/139,728,704.87 = 61,611,424.52/x
  3. Step 3: Cross multiply
    101,291,757.41x = 139,728,704.87 × 61,611,424.52
  4. Step 4: Simplify right side
    101,291,757.41x = 8,608,884,552,368,661
  5. Step 5: Solve for x
    x = 8,608,884,552,368,661/101,291,757.41
  6. Step 6: Final answer
    x = 84,990,968.40

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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.