Home / 280,182,804.66-420,231,105.83-93,440,028.46

Finding the Fourth Proportional to 280,182,804.66, 420,231,105.83 and 93,440,028.46

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Solution

The fourth proportional to 280,182,804.66, 420,231,105.83 and 93,440,028.46 is: 140,145,668.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,182,804.66 : 420,231,105.83 = 93,440,028.46 : x
  2. Step 2: Convert to fraction form
    280,182,804.66/420,231,105.83 = 93,440,028.46/x
  3. Step 3: Cross multiply
    280,182,804.66x = 420,231,105.83 × 93,440,028.46
  4. Step 4: Simplify right side
    280,182,804.66x = 39,266,406,488,962,520
  5. Step 5: Solve for x
    x = 39,266,406,488,962,520/280,182,804.66
  6. Step 6: Final answer
    x = 140,145,668.60

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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.