Home / 322,884,889.20-484,185,616.20-128,731,777.20

Finding the Fourth Proportional to 322,884,889.20, 484,185,616.20 and 128,731,777.20

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Solution

The fourth proportional to 322,884,889.20, 484,185,616.20 and 128,731,777.20 is: 193,041,164.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,884,889.20 : 484,185,616.20 = 128,731,777.20 : x
  2. Step 2: Convert to fraction form
    322,884,889.20/484,185,616.20 = 128,731,777.20/x
  3. Step 3: Cross multiply
    322,884,889.20x = 484,185,616.20 × 128,731,777.20
  4. Step 4: Simplify right side
    322,884,889.20x = 62,330,074,868,103,112
  5. Step 5: Solve for x
    x = 62,330,074,868,103,112/322,884,889.20
  6. Step 6: Final answer
    x = 193,041,164.06

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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.