Home / 68,121,053.55-94,130,022.63-48,507,891.27

Finding the Fourth Proportional to 68,121,053.55, 94,130,022.63 and 48,507,891.27

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Solution

The fourth proportional to 68,121,053.55, 94,130,022.63 and 48,507,891.27 is: 67,028,453.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,121,053.55 : 94,130,022.63 = 48,507,891.27 : x
  2. Step 2: Convert to fraction form
    68,121,053.55/94,130,022.63 = 48,507,891.27/x
  3. Step 3: Cross multiply
    68,121,053.55x = 94,130,022.63 × 48,507,891.27
  4. Step 4: Simplify right side
    68,121,053.55x = 4,566,048,902,978,680
  5. Step 5: Solve for x
    x = 4,566,048,902,978,680/68,121,053.55
  6. Step 6: Final answer
    x = 67,028,453.98

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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.