Home / 100,749,600.91-151,123,903.21-39,344,995.36

Finding the Fourth Proportional to 100,749,600.91, 151,123,903.21 and 39,344,995.36

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Solution

The fourth proportional to 100,749,600.91, 151,123,903.21 and 39,344,995.36 is: 59,017,298.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,749,600.91 : 151,123,903.21 = 39,344,995.36 : x
  2. Step 2: Convert to fraction form
    100,749,600.91/151,123,903.21 = 39,344,995.36/x
  3. Step 3: Cross multiply
    100,749,600.91x = 151,123,903.21 × 39,344,995.36
  4. Step 4: Simplify right side
    100,749,600.91x = 5,945,969,270,582,539
  5. Step 5: Solve for x
    x = 5,945,969,270,582,539/100,749,600.91
  6. Step 6: Final answer
    x = 59,017,298.50

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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.