Home / 125,186,479.83-187,647,187.37-42,109,144.11

Finding the Fourth Proportional to 125,186,479.83, 187,647,187.37 and 42,109,144.11

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Solution

The fourth proportional to 125,186,479.83, 187,647,187.37 and 42,109,144.11 is: 63,119,136.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,186,479.83 : 187,647,187.37 = 42,109,144.11 : x
  2. Step 2: Convert to fraction form
    125,186,479.83/187,647,187.37 = 42,109,144.11/x
  3. Step 3: Cross multiply
    125,186,479.83x = 187,647,187.37 × 42,109,144.11
  4. Step 4: Simplify right side
    125,186,479.83x = 7,901,662,454,588,956
  5. Step 5: Solve for x
    x = 7,901,662,454,588,956/125,186,479.83
  6. Step 6: Final answer
    x = 63,119,136.07

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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.