Home / 137,673,658.13-190,003,372.52-102,805,814.12

Finding the Fourth Proportional to 137,673,658.13, 190,003,372.52 and 102,805,814.12

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Solution

The fourth proportional to 137,673,658.13, 190,003,372.52 and 102,805,814.12 is: 141,882,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,673,658.13 : 190,003,372.52 = 102,805,814.12 : x
  2. Step 2: Convert to fraction form
    137,673,658.13/190,003,372.52 = 102,805,814.12/x
  3. Step 3: Cross multiply
    137,673,658.13x = 190,003,372.52 × 102,805,814.12
  4. Step 4: Simplify right side
    137,673,658.13x = 19,533,451,396,000,188
  5. Step 5: Solve for x
    x = 19,533,451,396,000,188/137,673,658.13
  6. Step 6: Final answer
    x = 141,882,271.90

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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.