Home / 73,412,299.52-110,118,080.64-18,824,641.28

Finding the Fourth Proportional to 73,412,299.52, 110,118,080.64 and 18,824,641.28

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Solution

The fourth proportional to 73,412,299.52, 110,118,080.64 and 18,824,641.28 is: 28,236,867.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,412,299.52 : 110,118,080.64 = 18,824,641.28 : x
  2. Step 2: Convert to fraction form
    73,412,299.52/110,118,080.64 = 18,824,641.28/x
  3. Step 3: Cross multiply
    73,412,299.52x = 110,118,080.64 × 18,824,641.28
  4. Step 4: Simplify right side
    73,412,299.52x = 2,072,933,366,490,113
  5. Step 5: Solve for x
    x = 2,072,933,366,490,113/73,412,299.52
  6. Step 6: Final answer
    x = 28,236,867.39

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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.