Home / 302,429,830.40-453,346,147.20-148,950,252.80

Finding the Fourth Proportional to 302,429,830.40, 453,346,147.20 and 148,950,252.80

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Solution

The fourth proportional to 302,429,830.40, 453,346,147.20 and 148,950,252.80 is: 223,278,315.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,429,830.40 : 453,346,147.20 = 148,950,252.80 : x
  2. Step 2: Convert to fraction form
    302,429,830.40/453,346,147.20 = 148,950,252.80/x
  3. Step 3: Cross multiply
    302,429,830.40x = 453,346,147.20 × 148,950,252.80
  4. Step 4: Simplify right side
    302,429,830.40x = 67,526,023,231,346,016
  5. Step 5: Solve for x
    x = 67,526,023,231,346,016/302,429,830.40
  6. Step 6: Final answer
    x = 223,278,315.97

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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.