Home / 345,270,057.40-517,451,586.54-163,569,198.52

Finding the Fourth Proportional to 345,270,057.40, 517,451,586.54 and 163,569,198.52

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Solution

The fourth proportional to 345,270,057.40, 517,451,586.54 and 163,569,198.52 is: 245,138,955.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,270,057.40 : 517,451,586.54 = 163,569,198.52 : x
  2. Step 2: Convert to fraction form
    345,270,057.40/517,451,586.54 = 163,569,198.52/x
  3. Step 3: Cross multiply
    345,270,057.40x = 517,451,586.54 × 163,569,198.52
  4. Step 4: Simplify right side
    345,270,057.40x = 84,639,141,283,250,224
  5. Step 5: Solve for x
    x = 84,639,141,283,250,224/345,270,057.40
  6. Step 6: Final answer
    x = 245,138,955.64

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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.