Home / 231,539,173.57-319,524,615.71-127,123,973.83

Finding the Fourth Proportional to 231,539,173.57, 319,524,615.71 and 127,123,973.83

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Solution

The fourth proportional to 231,539,173.57, 319,524,615.71 and 127,123,973.83 is: 175,431,389.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,539,173.57 : 319,524,615.71 = 127,123,973.83 : x
  2. Step 2: Convert to fraction form
    231,539,173.57/319,524,615.71 = 127,123,973.83/x
  3. Step 3: Cross multiply
    231,539,173.57x = 319,524,615.71 × 127,123,973.83
  4. Step 4: Simplify right side
    231,539,173.57x = 40,619,238,885,558,840
  5. Step 5: Solve for x
    x = 40,619,238,885,558,840/231,539,173.57
  6. Step 6: Final answer
    x = 175,431,389.25

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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.