Home / 109,940,400.90-164,910,601.35-103,137,956.10

Finding the Fourth Proportional to 109,940,400.90, 164,910,601.35 and 103,137,956.10

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Solution

The fourth proportional to 109,940,400.90, 164,910,601.35 and 103,137,956.10 is: 154,706,934.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,940,400.90 : 164,910,601.35 = 103,137,956.10 : x
  2. Step 2: Convert to fraction form
    109,940,400.90/164,910,601.35 = 103,137,956.10/x
  3. Step 3: Cross multiply
    109,940,400.90x = 164,910,601.35 × 103,137,956.10
  4. Step 4: Simplify right side
    109,940,400.90x = 17,008,542,362,460,900
  5. Step 5: Solve for x
    x = 17,008,542,362,460,900/109,940,400.90
  6. Step 6: Final answer
    x = 154,706,934.15

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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.