Home / 80,496,142.86-111,153,721.68-77,893,161.84

Finding the Fourth Proportional to 80,496,142.86, 111,153,721.68 and 77,893,161.84

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Solution

The fourth proportional to 80,496,142.86, 111,153,721.68 and 77,893,161.84 is: 107,559,375.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,496,142.86 : 111,153,721.68 = 77,893,161.84 : x
  2. Step 2: Convert to fraction form
    80,496,142.86/111,153,721.68 = 77,893,161.84/x
  3. Step 3: Cross multiply
    80,496,142.86x = 111,153,721.68 × 77,893,161.84
  4. Step 4: Simplify right side
    80,496,142.86x = 8,658,114,831,938,558
  5. Step 5: Solve for x
    x = 8,658,114,831,938,558/80,496,142.86
  6. Step 6: Final answer
    x = 107,559,375.20

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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.