Home / 282,481,318.16-423,729,928.80-78,009,393.44

Finding the Fourth Proportional to 282,481,318.16, 423,729,928.80 and 78,009,393.44

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Solution

The fourth proportional to 282,481,318.16, 423,729,928.80 and 78,009,393.44 is: 117,016,286.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,481,318.16 : 423,729,928.80 = 78,009,393.44 : x
  2. Step 2: Convert to fraction form
    282,481,318.16/423,729,928.80 = 78,009,393.44/x
  3. Step 3: Cross multiply
    282,481,318.16x = 423,729,928.80 × 78,009,393.44
  4. Step 4: Simplify right side
    282,481,318.16x = 33,054,914,728,062,388
  5. Step 5: Solve for x
    x = 33,054,914,728,062,388/282,481,318.16
  6. Step 6: Final answer
    x = 117,016,286.04

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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.