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Finding the Fourth Proportional to 360,375,673.68, 540,508,892.37 and 98,080,664.22

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Solution

The fourth proportional to 360,375,673.68, 540,508,892.37 and 98,080,664.22 is: 147,106,131.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,375,673.68 : 540,508,892.37 = 98,080,664.22 : x
  2. Step 2: Convert to fraction form
    360,375,673.68/540,508,892.37 = 98,080,664.22/x
  3. Step 3: Cross multiply
    360,375,673.68x = 540,508,892.37 × 98,080,664.22
  4. Step 4: Simplify right side
    360,375,673.68x = 53,013,471,180,466,088
  5. Step 5: Solve for x
    x = 53,013,471,180,466,088/360,375,673.68
  6. Step 6: Final answer
    x = 147,106,131.33

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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.