Home / 181,978,018.02-273,074,889.87-67,043,207.34

Finding the Fourth Proportional to 181,978,018.02, 273,074,889.87 and 67,043,207.34

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Solution

The fourth proportional to 181,978,018.02, 273,074,889.87 and 67,043,207.34 is: 100,604,549.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,978,018.02 : 273,074,889.87 = 67,043,207.34 : x
  2. Step 2: Convert to fraction form
    181,978,018.02/273,074,889.87 = 67,043,207.34/x
  3. Step 3: Cross multiply
    181,978,018.02x = 273,074,889.87 × 67,043,207.34
  4. Step 4: Simplify right side
    181,978,018.02x = 18,307,816,460,902,076
  5. Step 5: Solve for x
    x = 18,307,816,460,902,076/181,978,018.02
  6. Step 6: Final answer
    x = 100,604,549.17

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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.