Home / 298,839,703.80-448,272,983.34-91,562,928.60

Finding the Fourth Proportional to 298,839,703.80, 448,272,983.34 and 91,562,928.60

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Solution

The fourth proportional to 298,839,703.80, 448,272,983.34 and 91,562,928.60 is: 137,348,507.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,839,703.80 : 448,272,983.34 = 91,562,928.60 : x
  2. Step 2: Convert to fraction form
    298,839,703.80/448,272,983.34 = 91,562,928.60/x
  3. Step 3: Cross multiply
    298,839,703.80x = 448,272,983.34 × 91,562,928.60
  4. Step 4: Simplify right side
    298,839,703.80x = 41,045,187,166,869,408
  5. Step 5: Solve for x
    x = 41,045,187,166,869,408/298,839,703.80
  6. Step 6: Final answer
    x = 137,348,507.06

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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.