Home / 81,165,007.50-112,009,153.77-43,996,505.10

Finding the Fourth Proportional to 81,165,007.50, 112,009,153.77 and 43,996,505.10

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Solution

The fourth proportional to 81,165,007.50, 112,009,153.77 and 43,996,505.10 is: 60,715,959.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,165,007.50 : 112,009,153.77 = 43,996,505.10 : x
  2. Step 2: Convert to fraction form
    81,165,007.50/112,009,153.77 = 43,996,505.10/x
  3. Step 3: Cross multiply
    81,165,007.50x = 112,009,153.77 × 43,996,505.10
  4. Step 4: Simplify right side
    81,165,007.50x = 4,928,011,305,088,489
  5. Step 5: Solve for x
    x = 4,928,011,305,088,489/81,165,007.50
  6. Step 6: Final answer
    x = 60,715,959.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.