Home / 76,962,165.44-106,209,168.32-42,152,613.80

Finding the Fourth Proportional to 76,962,165.44, 106,209,168.32 and 42,152,613.80

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Solution

The fourth proportional to 76,962,165.44, 106,209,168.32 and 42,152,613.80 is: 58,171,362.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,962,165.44 : 106,209,168.32 = 42,152,613.80 : x
  2. Step 2: Convert to fraction form
    76,962,165.44/106,209,168.32 = 42,152,613.80/x
  3. Step 3: Cross multiply
    76,962,165.44x = 106,209,168.32 × 42,152,613.80
  4. Step 4: Simplify right side
    76,962,165.44x = 4,476,994,053,786,491
  5. Step 5: Solve for x
    x = 4,476,994,053,786,491/76,962,165.44
  6. Step 6: Final answer
    x = 58,171,362.88

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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.