Home / 109,414,891.20-164,122,336.80-104,376,043.20

Finding the Fourth Proportional to 109,414,891.20, 164,122,336.80 and 104,376,043.20

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Solution

The fourth proportional to 109,414,891.20, 164,122,336.80 and 104,376,043.20 is: 156,564,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,414,891.20 : 164,122,336.80 = 104,376,043.20 : x
  2. Step 2: Convert to fraction form
    109,414,891.20/164,122,336.80 = 104,376,043.20/x
  3. Step 3: Cross multiply
    109,414,891.20x = 164,122,336.80 × 104,376,043.20
  4. Step 4: Simplify right side
    109,414,891.20x = 17,130,440,115,921,752
  5. Step 5: Solve for x
    x = 17,130,440,115,921,752/109,414,891.20
  6. Step 6: Final answer
    x = 156,564,064.80

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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.