Home / 360,375,672.36-540,508,890.38-98,080,662.90

Finding the Fourth Proportional to 360,375,672.36, 540,508,890.38 and 98,080,662.90

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Solution

The fourth proportional to 360,375,672.36, 540,508,890.38 and 98,080,662.90 is: 147,106,129.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,375,672.36 : 540,508,890.38 = 98,080,662.90 : x
  2. Step 2: Convert to fraction form
    360,375,672.36/540,508,890.38 = 98,080,662.90/x
  3. Step 3: Cross multiply
    360,375,672.36x = 540,508,890.38 × 98,080,662.90
  4. Step 4: Simplify right side
    360,375,672.36x = 53,013,470,271,813,832
  5. Step 5: Solve for x
    x = 53,013,470,271,813,832/360,375,672.36
  6. Step 6: Final answer
    x = 147,106,129.35

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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.