Home / 231,329,477.76-319,214,347.68-132,190,551.52

Finding the Fourth Proportional to 231,329,477.76, 319,214,347.68 and 132,190,551.52

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Solution

The fourth proportional to 231,329,477.76, 319,214,347.68 and 132,190,551.52 is: 182,411,342.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,329,477.76 : 319,214,347.68 = 132,190,551.52 : x
  2. Step 2: Convert to fraction form
    231,329,477.76/319,214,347.68 = 132,190,551.52/x
  3. Step 3: Cross multiply
    231,329,477.76x = 319,214,347.68 × 132,190,551.52
  4. Step 4: Simplify right side
    231,329,477.76x = 42,197,120,672,916,232
  5. Step 5: Solve for x
    x = 42,197,120,672,916,232/231,329,477.76
  6. Step 6: Final answer
    x = 182,411,342.82

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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.