Home / 308,176,605.87-462,258,432.36-75,008,618.70

Finding the Fourth Proportional to 308,176,605.87, 462,258,432.36 and 75,008,618.70

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Solution

The fourth proportional to 308,176,605.87, 462,258,432.36 and 75,008,618.70 is: 112,511,351.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,176,605.87 : 462,258,432.36 = 75,008,618.70 : x
  2. Step 2: Convert to fraction form
    308,176,605.87/462,258,432.36 = 75,008,618.70/x
  3. Step 3: Cross multiply
    308,176,605.87x = 462,258,432.36 × 75,008,618.70
  4. Step 4: Simplify right side
    308,176,605.87x = 34,673,366,493,750,984
  5. Step 5: Solve for x
    x = 34,673,366,493,750,984/308,176,605.87
  6. Step 6: Final answer
    x = 112,511,351.72

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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.