Home / 99,679,969.80-149,586,828.30-34,983,649.80

Finding the Fourth Proportional to 99,679,969.80, 149,586,828.30 and 34,983,649.80

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Solution

The fourth proportional to 99,679,969.80, 149,586,828.30 and 34,983,649.80 is: 52,498,944.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,679,969.80 : 149,586,828.30 = 34,983,649.80 : x
  2. Step 2: Convert to fraction form
    99,679,969.80/149,586,828.30 = 34,983,649.80/x
  3. Step 3: Cross multiply
    99,679,969.80x = 149,586,828.30 × 34,983,649.80
  4. Step 4: Simplify right side
    99,679,969.80x = 5,233,093,215,939,929
  5. Step 5: Solve for x
    x = 5,233,093,215,939,929/99,679,969.80
  6. Step 6: Final answer
    x = 52,498,944.64

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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.