Home / 385,700,105.25-578,703,447.14-123,425,063.37

Finding the Fourth Proportional to 385,700,105.25, 578,703,447.14 and 123,425,063.37

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Solution

The fourth proportional to 385,700,105.25, 578,703,447.14 and 123,425,063.37 is: 185,186,648.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,700,105.25 : 578,703,447.14 = 123,425,063.37 : x
  2. Step 2: Convert to fraction form
    385,700,105.25/578,703,447.14 = 123,425,063.37/x
  3. Step 3: Cross multiply
    385,700,105.25x = 578,703,447.14 × 123,425,063.37
  4. Step 4: Simplify right side
    385,700,105.25x = 71,426,509,635,074,824
  5. Step 5: Solve for x
    x = 71,426,509,635,074,824/385,700,105.25
  6. Step 6: Final answer
    x = 185,186,648.03

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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.