Home / 181,693,118.70-272,575,107.45-78,062,123.70

Finding the Fourth Proportional to 181,693,118.70, 272,575,107.45 and 78,062,123.70

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Solution

The fourth proportional to 181,693,118.70, 272,575,107.45 and 78,062,123.70 is: 117,108,407.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,693,118.70 : 272,575,107.45 = 78,062,123.70 : x
  2. Step 2: Convert to fraction form
    181,693,118.70/272,575,107.45 = 78,062,123.70/x
  3. Step 3: Cross multiply
    181,693,118.70x = 272,575,107.45 × 78,062,123.70
  4. Step 4: Simplify right side
    181,693,118.70x = 21,277,791,755,302,692
  5. Step 5: Solve for x
    x = 21,277,791,755,302,692/181,693,118.70
  6. Step 6: Final answer
    x = 117,108,407.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.