Home / 276,884,037.36-415,294,329.96-72,431,846.64

Finding the Fourth Proportional to 276,884,037.36, 415,294,329.96 and 72,431,846.64

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Solution

The fourth proportional to 276,884,037.36, 415,294,329.96 and 72,431,846.64 is: 108,639,470.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,884,037.36 : 415,294,329.96 = 72,431,846.64 : x
  2. Step 2: Convert to fraction form
    276,884,037.36/415,294,329.96 = 72,431,846.64/x
  3. Step 3: Cross multiply
    276,884,037.36x = 415,294,329.96 × 72,431,846.64
  4. Step 4: Simplify right side
    276,884,037.36x = 30,080,535,218,124,276
  5. Step 5: Solve for x
    x = 30,080,535,218,124,276/276,884,037.36
  6. Step 6: Final answer
    x = 108,639,470.53

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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.