Home / 73,097,315.52-109,646,220.96-18,509,876.64

Finding the Fourth Proportional to 73,097,315.52, 109,646,220.96 and 18,509,876.64

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Solution

The fourth proportional to 73,097,315.52, 109,646,220.96 and 18,509,876.64 is: 27,764,877.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,097,315.52 : 109,646,220.96 = 18,509,876.64 : x
  2. Step 2: Convert to fraction form
    73,097,315.52/109,646,220.96 = 18,509,876.64/x
  3. Step 3: Cross multiply
    73,097,315.52x = 109,646,220.96 × 18,509,876.64
  4. Step 4: Simplify right side
    73,097,315.52x = 2,029,538,024,011,782.25
  5. Step 5: Solve for x
    x = 2,029,538,024,011,782.25/73,097,315.52
  6. Step 6: Final answer
    x = 27,764,877.68

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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.