Home / 101,291,757.78-139,728,705.38-61,611,424.88

Finding the Fourth Proportional to 101,291,757.78, 139,728,705.38 and 61,611,424.88

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Solution

The fourth proportional to 101,291,757.78, 139,728,705.38 and 61,611,424.88 is: 84,990,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,291,757.78 : 139,728,705.38 = 61,611,424.88 : x
  2. Step 2: Convert to fraction form
    101,291,757.78/139,728,705.38 = 61,611,424.88/x
  3. Step 3: Cross multiply
    101,291,757.78x = 139,728,705.38 × 61,611,424.88
  4. Step 4: Simplify right side
    101,291,757.78x = 8,608,884,635,602,872
  5. Step 5: Solve for x
    x = 8,608,884,635,602,872/101,291,757.78
  6. Step 6: Final answer
    x = 84,990,968.90

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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.