Home / 231,577,898.22-319,577,501.22-127,155,969.54

Finding the Fourth Proportional to 231,577,898.22, 319,577,501.22 and 127,155,969.54

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Solution

The fourth proportional to 231,577,898.22, 319,577,501.22 and 127,155,969.54 is: 175,475,238.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,577,898.22 : 319,577,501.22 = 127,155,969.54 : x
  2. Step 2: Convert to fraction form
    231,577,898.22/319,577,501.22 = 127,155,969.54/x
  3. Step 3: Cross multiply
    231,577,898.22x = 319,577,501.22 × 127,155,969.54
  4. Step 4: Simplify right side
    231,577,898.22x = 40,636,187,010,799,640
  5. Step 5: Solve for x
    x = 40,636,187,010,799,640/231,577,898.22
  6. Step 6: Final answer
    x = 175,475,238.89

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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.