Home / 354,295,215.60-531,442,823.40-124,287,550.80

Finding the Fourth Proportional to 354,295,215.60, 531,442,823.40 and 124,287,550.80

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Solution

The fourth proportional to 354,295,215.60, 531,442,823.40 and 124,287,550.80 is: 186,431,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,295,215.60 : 531,442,823.40 = 124,287,550.80 : x
  2. Step 2: Convert to fraction form
    354,295,215.60/531,442,823.40 = 124,287,550.80/x
  3. Step 3: Cross multiply
    354,295,215.60x = 531,442,823.40 × 124,287,550.80
  4. Step 4: Simplify right side
    354,295,215.60x = 66,051,726,910,622,928
  5. Step 5: Solve for x
    x = 66,051,726,910,622,928/354,295,215.60
  6. Step 6: Final answer
    x = 186,431,326.20

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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.