Home / 107,802,209.30-161,703,313.95-43,074,007.70

Finding the Fourth Proportional to 107,802,209.30, 161,703,313.95 and 43,074,007.70

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Solution

The fourth proportional to 107,802,209.30, 161,703,313.95 and 43,074,007.70 is: 64,611,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,802,209.30 : 161,703,313.95 = 43,074,007.70 : x
  2. Step 2: Convert to fraction form
    107,802,209.30/161,703,313.95 = 43,074,007.70/x
  3. Step 3: Cross multiply
    107,802,209.30x = 161,703,313.95 × 43,074,007.70
  4. Step 4: Simplify right side
    107,802,209.30x = 6,965,209,790,197,817
  5. Step 5: Solve for x
    x = 6,965,209,790,197,817/107,802,209.30
  6. Step 6: Final answer
    x = 64,611,011.55

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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.