Home / 243,435,598.72-335,835,562.26-161,044,135.36

Finding the Fourth Proportional to 243,435,598.72, 335,835,562.26 and 161,044,135.36

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Solution

The fourth proportional to 243,435,598.72, 335,835,562.26 and 161,044,135.36 is: 222,171,071.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,435,598.72 : 335,835,562.26 = 161,044,135.36 : x
  2. Step 2: Convert to fraction form
    243,435,598.72/335,835,562.26 = 161,044,135.36/x
  3. Step 3: Cross multiply
    243,435,598.72x = 335,835,562.26 × 161,044,135.36
  4. Step 4: Simplify right side
    243,435,598.72x = 54,084,347,747,301,152
  5. Step 5: Solve for x
    x = 54,084,347,747,301,152/243,435,598.72
  6. Step 6: Final answer
    x = 222,171,071.25

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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.