Home / 109,376,004.20-164,064,006.30-91,592,810.60

Finding the Fourth Proportional to 109,376,004.20, 164,064,006.30 and 91,592,810.60

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Solution

The fourth proportional to 109,376,004.20, 164,064,006.30 and 91,592,810.60 is: 137,389,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,376,004.20 : 164,064,006.30 = 91,592,810.60 : x
  2. Step 2: Convert to fraction form
    109,376,004.20/164,064,006.30 = 91,592,810.60/x
  3. Step 3: Cross multiply
    109,376,004.20x = 164,064,006.30 × 91,592,810.60
  4. Step 4: Simplify right side
    109,376,004.20x = 15,027,083,455,313,106
  5. Step 5: Solve for x
    x = 15,027,083,455,313,106/109,376,004.20
  6. Step 6: Final answer
    x = 137,389,215.90

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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.