Home / 121,287,731.40-181,955,216.70-35,028,952.20

Finding the Fourth Proportional to 121,287,731.40, 181,955,216.70 and 35,028,952.20

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Solution

The fourth proportional to 121,287,731.40, 181,955,216.70 and 35,028,952.20 is: 52,550,249.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,287,731.40 : 181,955,216.70 = 35,028,952.20 : x
  2. Step 2: Convert to fraction form
    121,287,731.40/181,955,216.70 = 35,028,952.20/x
  3. Step 3: Cross multiply
    121,287,731.40x = 181,955,216.70 × 35,028,952.20
  4. Step 4: Simplify right side
    121,287,731.40x = 6,373,700,588,324,942
  5. Step 5: Solve for x
    x = 6,373,700,588,324,942/121,287,731.40
  6. Step 6: Final answer
    x = 52,550,249.85

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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.