Home / 361,112,541.44-541,498,055.96-139,887,492.75

Finding the Fourth Proportional to 361,112,541.44, 541,498,055.96 and 139,887,492.75

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Solution

The fourth proportional to 361,112,541.44, 541,498,055.96 and 139,887,492.75 is: 209,765,091.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,112,541.44 : 541,498,055.96 = 139,887,492.75 : x
  2. Step 2: Convert to fraction form
    361,112,541.44/541,498,055.96 = 139,887,492.75/x
  3. Step 3: Cross multiply
    361,112,541.44x = 541,498,055.96 × 139,887,492.75
  4. Step 4: Simplify right side
    361,112,541.44x = 75,748,805,377,243,600
  5. Step 5: Solve for x
    x = 75,748,805,377,243,600/361,112,541.44
  6. Step 6: Final answer
    x = 209,765,091.72

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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.