Home / 281,349,844.80-422,099,416.80-99,578,068.80

Finding the Fourth Proportional to 281,349,844.80, 422,099,416.80 and 99,578,068.80

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Solution

The fourth proportional to 281,349,844.80, 422,099,416.80 and 99,578,068.80 is: 149,393,523.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,349,844.80 : 422,099,416.80 = 99,578,068.80 : x
  2. Step 2: Convert to fraction form
    281,349,844.80/422,099,416.80 = 99,578,068.80/x
  3. Step 3: Cross multiply
    281,349,844.80x = 422,099,416.80 × 99,578,068.80
  4. Step 4: Simplify right side
    281,349,844.80x = 42,031,844,766,550,272
  5. Step 5: Solve for x
    x = 42,031,844,766,550,272/281,349,844.80
  6. Step 6: Final answer
    x = 149,393,523.91

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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.