Home / 109,008,496.80-163,601,974.80-108,158,191.20

Finding the Fourth Proportional to 109,008,496.80, 163,601,974.80 and 108,158,191.20

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Solution

The fourth proportional to 109,008,496.80, 163,601,974.80 and 108,158,191.20 is: 162,325,820.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,008,496.80 : 163,601,974.80 = 108,158,191.20 : x
  2. Step 2: Convert to fraction form
    109,008,496.80/163,601,974.80 = 108,158,191.20/x
  3. Step 3: Cross multiply
    109,008,496.80x = 163,601,974.80 × 108,158,191.20
  4. Step 4: Simplify right side
    109,008,496.80x = 17,694,893,671,115,984
  5. Step 5: Solve for x
    x = 17,694,893,671,115,984/109,008,496.80
  6. Step 6: Final answer
    x = 162,325,820.38

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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.