Home / 279,162,530.10-418,759,541.55-85,080,276.90

Finding the Fourth Proportional to 279,162,530.10, 418,759,541.55 and 85,080,276.90

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Solution

The fourth proportional to 279,162,530.10, 418,759,541.55 and 85,080,276.90 is: 127,625,214.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,162,530.10 : 418,759,541.55 = 85,080,276.90 : x
  2. Step 2: Convert to fraction form
    279,162,530.10/418,759,541.55 = 85,080,276.90/x
  3. Step 3: Cross multiply
    279,162,530.10x = 418,759,541.55 × 85,080,276.90
  4. Step 4: Simplify right side
    279,162,530.10x = 35,628,177,749,591,060
  5. Step 5: Solve for x
    x = 35,628,177,749,591,060/279,162,530.10
  6. Step 6: Final answer
    x = 127,625,214.38

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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.