Home / 109,378,982.60-164,056,032.30-28,608,115.40

Finding the Fourth Proportional to 109,378,982.60, 164,056,032.30 and 28,608,115.40

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Solution

The fourth proportional to 109,378,982.60, 164,056,032.30 and 28,608,115.40 is: 42,908,918.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,378,982.60 : 164,056,032.30 = 28,608,115.40 : x
  2. Step 2: Convert to fraction form
    109,378,982.60/164,056,032.30 = 28,608,115.40/x
  3. Step 3: Cross multiply
    109,378,982.60x = 164,056,032.30 × 28,608,115.40
  4. Step 4: Simplify right side
    109,378,982.60x = 4,693,333,904,104,528
  5. Step 5: Solve for x
    x = 4,693,333,904,104,528/109,378,982.60
  6. Step 6: Final answer
    x = 42,908,918.99

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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.