Home / 231,427,550.88-347,120,068.32-78,074,935.92

Finding the Fourth Proportional to 231,427,550.88, 347,120,068.32 and 78,074,935.92

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Solution

The fourth proportional to 231,427,550.88, 347,120,068.32 and 78,074,935.92 is: 117,105,232.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,427,550.88 : 347,120,068.32 = 78,074,935.92 : x
  2. Step 2: Convert to fraction form
    231,427,550.88/347,120,068.32 = 78,074,935.92/x
  3. Step 3: Cross multiply
    231,427,550.88x = 347,120,068.32 × 78,074,935.92
  4. Step 4: Simplify right side
    231,427,550.88x = 27,101,377,090,630,024
  5. Step 5: Solve for x
    x = 27,101,377,090,630,024/231,427,550.88
  6. Step 6: Final answer
    x = 117,105,232.23

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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.