Home / 109,387,998.40-164,081,997.60-28,608,966.40

Finding the Fourth Proportional to 109,387,998.40, 164,081,997.60 and 28,608,966.40

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Solution

The fourth proportional to 109,387,998.40, 164,081,997.60 and 28,608,966.40 is: 42,913,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,387,998.40 : 164,081,997.60 = 28,608,966.40 : x
  2. Step 2: Convert to fraction form
    109,387,998.40/164,081,997.60 = 28,608,966.40/x
  3. Step 3: Cross multiply
    109,387,998.40x = 164,081,997.60 × 28,608,966.40
  4. Step 4: Simplify right side
    109,387,998.40x = 4,694,216,356,183,280
  5. Step 5: Solve for x
    x = 4,694,216,356,183,280/109,387,998.40
  6. Step 6: Final answer
    x = 42,913,449.60

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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.