Home / 212,643,962-293,448,785.28-114,858,818

Finding the Fourth Proportional to 212,643,962, 293,448,785.28 and 114,858,818

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Solution

The fourth proportional to 212,643,962, 293,448,785.28 and 114,858,818 is: 158,505,232.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,643,962 : 293,448,785.28 = 114,858,818 : x
  2. Step 2: Convert to fraction form
    212,643,962/293,448,785.28 = 114,858,818/x
  3. Step 3: Cross multiply
    212,643,962x = 293,448,785.28 × 114,858,818
  4. Step 4: Simplify right side
    212,643,962x = 33,705,180,620,796,596
  5. Step 5: Solve for x
    x = 33,705,180,620,796,596/212,643,962
  6. Step 6: Final answer
    x = 158,505,232.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.