Home / 281,349,837.80-422,099,406.30-99,578,061.80

Finding the Fourth Proportional to 281,349,837.80, 422,099,406.30 and 99,578,061.80

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Solution

The fourth proportional to 281,349,837.80, 422,099,406.30 and 99,578,061.80 is: 149,393,513.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,349,837.80 : 422,099,406.30 = 99,578,061.80 : x
  2. Step 2: Convert to fraction form
    281,349,837.80/422,099,406.30 = 99,578,061.80/x
  3. Step 3: Cross multiply
    281,349,837.80x = 422,099,406.30 × 99,578,061.80
  4. Step 4: Simplify right side
    281,349,837.80x = 42,031,840,766,284,712
  5. Step 5: Solve for x
    x = 42,031,840,766,284,712/281,349,837.80
  6. Step 6: Final answer
    x = 149,393,513.41

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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.