Home / 127,429,690.28-191,143,989.88-35,313,165.23

Finding the Fourth Proportional to 127,429,690.28, 191,143,989.88 and 35,313,165.23

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Solution

The fourth proportional to 127,429,690.28, 191,143,989.88 and 35,313,165.23 is: 52,969,596.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,429,690.28 : 191,143,989.88 = 35,313,165.23 : x
  2. Step 2: Convert to fraction form
    127,429,690.28/191,143,989.88 = 35,313,165.23/x
  3. Step 3: Cross multiply
    127,429,690.28x = 191,143,989.88 × 35,313,165.23
  4. Step 4: Simplify right side
    127,429,690.28x = 6,749,899,296,309,885
  5. Step 5: Solve for x
    x = 6,749,899,296,309,885/127,429,690.28
  6. Step 6: Final answer
    x = 52,969,596.66

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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.