Home / 101,143,191.17-139,577,604.30-54,733,445.54

Finding the Fourth Proportional to 101,143,191.17, 139,577,604.30 and 54,733,445.54

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Solution

The fourth proportional to 101,143,191.17, 139,577,604.30 and 54,733,445.54 is: 75,532,155.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,143,191.17 : 139,577,604.30 = 54,733,445.54 : x
  2. Step 2: Convert to fraction form
    101,143,191.17/139,577,604.30 = 54,733,445.54/x
  3. Step 3: Cross multiply
    101,143,191.17x = 139,577,604.30 × 54,733,445.54
  4. Step 4: Simplify right side
    101,143,191.17x = 7,639,563,203,906,664
  5. Step 5: Solve for x
    x = 7,639,563,203,906,664/101,143,191.17
  6. Step 6: Final answer
    x = 75,532,155.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.