Home / 203,160,672.96-280,363,752-110,342,993.28

Finding the Fourth Proportional to 203,160,672.96, 280,363,752 and 110,342,993.28

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Solution

The fourth proportional to 203,160,672.96, 280,363,752 and 110,342,993.28 is: 152,274,429.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,160,672.96 : 280,363,752 = 110,342,993.28 : x
  2. Step 2: Convert to fraction form
    203,160,672.96/280,363,752 = 110,342,993.28/x
  3. Step 3: Cross multiply
    203,160,672.96x = 280,363,752 × 110,342,993.28
  4. Step 4: Simplify right side
    203,160,672.96x = 30,936,175,602,891,588
  5. Step 5: Solve for x
    x = 30,936,175,602,891,588/203,160,672.96
  6. Step 6: Final answer
    x = 152,274,429.65

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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.