Home / 279,589,748.81-385,748,351.19-162,091,629.27

Finding the Fourth Proportional to 279,589,748.81, 385,748,351.19 and 162,091,629.27

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Solution

The fourth proportional to 279,589,748.81, 385,748,351.19 and 162,091,629.27 is: 223,636,878.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,589,748.81 : 385,748,351.19 = 162,091,629.27 : x
  2. Step 2: Convert to fraction form
    279,589,748.81/385,748,351.19 = 162,091,629.27/x
  3. Step 3: Cross multiply
    279,589,748.81x = 385,748,351.19 × 162,091,629.27
  4. Step 4: Simplify right side
    279,589,748.81x = 62,526,578,732,603,248
  5. Step 5: Solve for x
    x = 62,526,578,732,603,248/279,589,748.81
  6. Step 6: Final answer
    x = 223,636,878.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.