Home / 165,551,598.72-228,425,175.36-100,377,521.28

Finding the Fourth Proportional to 165,551,598.72, 228,425,175.36 and 100,377,521.28

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Solution

The fourth proportional to 165,551,598.72, 228,425,175.36 and 100,377,521.28 is: 138,499,133.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,551,598.72 : 228,425,175.36 = 100,377,521.28 : x
  2. Step 2: Convert to fraction form
    165,551,598.72/228,425,175.36 = 100,377,521.28/x
  3. Step 3: Cross multiply
    165,551,598.72x = 228,425,175.36 × 100,377,521.28
  4. Step 4: Simplify right side
    165,551,598.72x = 22,928,752,900,586,132
  5. Step 5: Solve for x
    x = 22,928,752,900,586,132/165,551,598.72
  6. Step 6: Final answer
    x = 138,499,133.07

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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.