Home / 231,530,932.16-319,516,429.92-127,118,628.80

Finding the Fourth Proportional to 231,530,932.16, 319,516,429.92 and 127,118,628.80

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Solution

The fourth proportional to 231,530,932.16, 319,516,429.92 and 127,118,628.80 is: 175,425,763.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,530,932.16 : 319,516,429.92 = 127,118,628.80 : x
  2. Step 2: Convert to fraction form
    231,530,932.16/319,516,429.92 = 127,118,628.80/x
  3. Step 3: Cross multiply
    231,530,932.16x = 319,516,429.92 × 127,118,628.80
  4. Step 4: Simplify right side
    231,530,932.16x = 40,616,490,450,501,696
  5. Step 5: Solve for x
    x = 40,616,490,450,501,696/231,530,932.16
  6. Step 6: Final answer
    x = 175,425,763.08

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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.