Home / 208,787,237.30-313,062,807.34-68,689,783.22

Finding the Fourth Proportional to 208,787,237.30, 313,062,807.34 and 68,689,783.22

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Solution

The fourth proportional to 208,787,237.30, 313,062,807.34 and 68,689,783.22 is: 102,995,837.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,787,237.30 : 313,062,807.34 = 68,689,783.22 : x
  2. Step 2: Convert to fraction form
    208,787,237.30/313,062,807.34 = 68,689,783.22/x
  3. Step 3: Cross multiply
    208,787,237.30x = 313,062,807.34 × 68,689,783.22
  4. Step 4: Simplify right side
    208,787,237.30x = 21,504,216,368,949,776
  5. Step 5: Solve for x
    x = 21,504,216,368,949,776/208,787,237.30
  6. Step 6: Final answer
    x = 102,995,837.52

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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.