Home / 381,098,501.54-571,314,811.50-147,768,458.44

Finding the Fourth Proportional to 381,098,501.54, 571,314,811.50 and 147,768,458.44

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Solution

The fourth proportional to 381,098,501.54, 571,314,811.50 and 147,768,458.44 is: 221,523,592.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,098,501.54 : 571,314,811.50 = 147,768,458.44 : x
  2. Step 2: Convert to fraction form
    381,098,501.54/571,314,811.50 = 147,768,458.44/x
  3. Step 3: Cross multiply
    381,098,501.54x = 571,314,811.50 × 147,768,458.44
  4. Step 4: Simplify right side
    381,098,501.54x = 84,422,308,979,294,176
  5. Step 5: Solve for x
    x = 84,422,308,979,294,176/381,098,501.54
  6. Step 6: Final answer
    x = 221,523,592.03

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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.