Home / 77,977,960.53-107,609,611.76-42,697,997.02

Finding the Fourth Proportional to 77,977,960.53, 107,609,611.76 and 42,697,997.02

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Solution

The fourth proportional to 77,977,960.53, 107,609,611.76 and 42,697,997.02 is: 58,923,250.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,977,960.53 : 107,609,611.76 = 42,697,997.02 : x
  2. Step 2: Convert to fraction form
    77,977,960.53/107,609,611.76 = 42,697,997.02/x
  3. Step 3: Cross multiply
    77,977,960.53x = 107,609,611.76 × 42,697,997.02
  4. Step 4: Simplify right side
    77,977,960.53x = 4,594,714,882,251,838
  5. Step 5: Solve for x
    x = 4,594,714,882,251,838/77,977,960.53
  6. Step 6: Final answer
    x = 58,923,250.25

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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.