Home / 231,890,919.60-347,836,379.40-208,932,668.40

Finding the Fourth Proportional to 231,890,919.60, 347,836,379.40 and 208,932,668.40

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Solution

The fourth proportional to 231,890,919.60, 347,836,379.40 and 208,932,668.40 is: 313,399,002.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,890,919.60 : 347,836,379.40 = 208,932,668.40 : x
  2. Step 2: Convert to fraction form
    231,890,919.60/347,836,379.40 = 208,932,668.40/x
  3. Step 3: Cross multiply
    231,890,919.60x = 347,836,379.40 × 208,932,668.40
  4. Step 4: Simplify right side
    231,890,919.60x = 72,674,382,914,636,784
  5. Step 5: Solve for x
    x = 72,674,382,914,636,784/231,890,919.60
  6. Step 6: Final answer
    x = 313,399,002.60

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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.