Home / 281,688,139.20-422,527,165.02-115,655,591.64

Finding the Fourth Proportional to 281,688,139.20, 422,527,165.02 and 115,655,591.64

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Solution

The fourth proportional to 281,688,139.20, 422,527,165.02 and 115,655,591.64 is: 173,481,316.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,688,139.20 : 422,527,165.02 = 115,655,591.64 : x
  2. Step 2: Convert to fraction form
    281,688,139.20/422,527,165.02 = 115,655,591.64/x
  3. Step 3: Cross multiply
    281,688,139.20x = 422,527,165.02 × 115,655,591.64
  4. Step 4: Simplify right side
    281,688,139.20x = 48,867,629,254,360,008
  5. Step 5: Solve for x
    x = 48,867,629,254,360,008/281,688,139.20
  6. Step 6: Final answer
    x = 173,481,316.58

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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.