Home / 281,797,643.52-388,883,564.64-158,035,662.72

Finding the Fourth Proportional to 281,797,643.52, 388,883,564.64 and 158,035,662.72

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Solution

The fourth proportional to 281,797,643.52, 388,883,564.64 and 158,035,662.72 is: 218,090,794.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,797,643.52 : 388,883,564.64 = 158,035,662.72 : x
  2. Step 2: Convert to fraction form
    281,797,643.52/388,883,564.64 = 158,035,662.72/x
  3. Step 3: Cross multiply
    281,797,643.52x = 388,883,564.64 × 158,035,662.72
  4. Step 4: Simplify right side
    281,797,643.52x = 61,457,471,858,798,352
  5. Step 5: Solve for x
    x = 61,457,471,858,798,352/281,797,643.52
  6. Step 6: Final answer
    x = 218,090,794.13

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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.