Home / 328,094,692.20-492,330,995.10-123,769,405.80

Finding the Fourth Proportional to 328,094,692.20, 492,330,995.10 and 123,769,405.80

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Solution

The fourth proportional to 328,094,692.20, 492,330,995.10 and 123,769,405.80 is: 185,725,390.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,094,692.20 : 492,330,995.10 = 123,769,405.80 : x
  2. Step 2: Convert to fraction form
    328,094,692.20/492,330,995.10 = 123,769,405.80/x
  3. Step 3: Cross multiply
    328,094,692.20x = 492,330,995.10 × 123,769,405.80
  4. Step 4: Simplify right side
    328,094,692.20x = 60,935,514,720,449,712
  5. Step 5: Solve for x
    x = 60,935,514,720,449,712/328,094,692.20
  6. Step 6: Final answer
    x = 185,725,390.17

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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.