Home / 99,479,964.80-149,166,803.10-41,907,189.80

Finding the Fourth Proportional to 99,479,964.80, 149,166,803.10 and 41,907,189.80

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Solution

The fourth proportional to 99,479,964.80, 149,166,803.10 and 41,907,189.80 is: 62,838,397.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,479,964.80 : 149,166,803.10 = 41,907,189.80 : x
  2. Step 2: Convert to fraction form
    99,479,964.80/149,166,803.10 = 41,907,189.80/x
  3. Step 3: Cross multiply
    99,479,964.80x = 149,166,803.10 × 41,907,189.80
  4. Step 4: Simplify right side
    99,479,964.80x = 6,251,161,529,370,928
  5. Step 5: Solve for x
    x = 6,251,161,529,370,928/99,479,964.80
  6. Step 6: Final answer
    x = 62,838,397.08

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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.