Home / 231,927,417.75-320,051,681.42-127,504,728.75

Finding the Fourth Proportional to 231,927,417.75, 320,051,681.42 and 127,504,728.75

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Solution

The fourth proportional to 231,927,417.75, 320,051,681.42 and 127,504,728.75 is: 175,952,042.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,927,417.75 : 320,051,681.42 = 127,504,728.75 : x
  2. Step 2: Convert to fraction form
    231,927,417.75/320,051,681.42 = 127,504,728.75/x
  3. Step 3: Cross multiply
    231,927,417.75x = 320,051,681.42 × 127,504,728.75
  4. Step 4: Simplify right side
    231,927,417.75x = 40,808,102,824,800,992
  5. Step 5: Solve for x
    x = 40,808,102,824,800,992/231,927,417.75
  6. Step 6: Final answer
    x = 175,952,042.33

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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.