Home / 276,884,013.36-415,294,293.96-72,431,822.64

Finding the Fourth Proportional to 276,884,013.36, 415,294,293.96 and 72,431,822.64

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Solution

The fourth proportional to 276,884,013.36, 415,294,293.96 and 72,431,822.64 is: 108,639,434.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,884,013.36 : 415,294,293.96 = 72,431,822.64 : x
  2. Step 2: Convert to fraction form
    276,884,013.36/415,294,293.96 = 72,431,822.64/x
  3. Step 3: Cross multiply
    276,884,013.36x = 415,294,293.96 × 72,431,822.64
  4. Step 4: Simplify right side
    276,884,013.36x = 30,080,522,643,514,740
  5. Step 5: Solve for x
    x = 30,080,522,643,514,740/276,884,013.36
  6. Step 6: Final answer
    x = 108,639,434.54

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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.