Home / 338,928,054.87-508,588,224.20-142,173,847.41

Finding the Fourth Proportional to 338,928,054.87, 508,588,224.20 and 142,173,847.41

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Solution

The fourth proportional to 338,928,054.87, 508,588,224.20 and 142,173,847.41 is: 213,343,048.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,928,054.87 : 508,588,224.20 = 142,173,847.41 : x
  2. Step 2: Convert to fraction form
    338,928,054.87/508,588,224.20 = 142,173,847.41/x
  3. Step 3: Cross multiply
    338,928,054.87x = 508,588,224.20 × 142,173,847.41
  4. Step 4: Simplify right side
    338,928,054.87x = 72,307,944,581,933,664
  5. Step 5: Solve for x
    x = 72,307,944,581,933,664/338,928,054.87
  6. Step 6: Final answer
    x = 213,343,048.89

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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.