Home / 276,884,012.36-415,294,292.46-72,431,821.64

Finding the Fourth Proportional to 276,884,012.36, 415,294,292.46 and 72,431,821.64

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Solution

The fourth proportional to 276,884,012.36, 415,294,292.46 and 72,431,821.64 is: 108,639,433.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,884,012.36 : 415,294,292.46 = 72,431,821.64 : x
  2. Step 2: Convert to fraction form
    276,884,012.36/415,294,292.46 = 72,431,821.64/x
  3. Step 3: Cross multiply
    276,884,012.36x = 415,294,292.46 × 72,431,821.64
  4. Step 4: Simplify right side
    276,884,012.36x = 30,080,522,119,572,716
  5. Step 5: Solve for x
    x = 30,080,522,119,572,716/276,884,012.36
  6. Step 6: Final answer
    x = 108,639,433.04

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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.