Home / 228,958,169.16-315,933,567.30-154,780,131.72

Finding the Fourth Proportional to 228,958,169.16, 315,933,567.30 and 154,780,131.72

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Solution

The fourth proportional to 228,958,169.16, 315,933,567.30 and 154,780,131.72 is: 213,577,175.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,958,169.16 : 315,933,567.30 = 154,780,131.72 : x
  2. Step 2: Convert to fraction form
    228,958,169.16/315,933,567.30 = 154,780,131.72/x
  3. Step 3: Cross multiply
    228,958,169.16x = 315,933,567.30 × 154,780,131.72
  4. Step 4: Simplify right side
    228,958,169.16x = 48,900,239,161,463,488
  5. Step 5: Solve for x
    x = 48,900,239,161,463,488/228,958,169.16
  6. Step 6: Final answer
    x = 213,577,175.87

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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.