Home / 125,186,480.58-187,647,188.49-42,109,144.86

Finding the Fourth Proportional to 125,186,480.58, 187,647,188.49 and 42,109,144.86

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Solution

The fourth proportional to 125,186,480.58, 187,647,188.49 and 42,109,144.86 is: 63,119,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,186,480.58 : 187,647,188.49 = 42,109,144.86 : x
  2. Step 2: Convert to fraction form
    125,186,480.58/187,647,188.49 = 42,109,144.86/x
  3. Step 3: Cross multiply
    125,186,480.58x = 187,647,188.49 × 42,109,144.86
  4. Step 4: Simplify right side
    125,186,480.58x = 7,901,662,642,697,135
  5. Step 5: Solve for x
    x = 7,901,662,642,697,135/125,186,480.58
  6. Step 6: Final answer
    x = 63,119,137.20

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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.