Home / 55,412,136.60-76,468,852.28-30,965,850.60

Finding the Fourth Proportional to 55,412,136.60, 76,468,852.28 and 30,965,850.60

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Solution

The fourth proportional to 55,412,136.60, 76,468,852.28 and 30,965,850.60 is: 42,732,931.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,412,136.60 : 76,468,852.28 = 30,965,850.60 : x
  2. Step 2: Convert to fraction form
    55,412,136.60/76,468,852.28 = 30,965,850.60/x
  3. Step 3: Cross multiply
    55,412,136.60x = 76,468,852.28 × 30,965,850.60
  4. Step 4: Simplify right side
    55,412,136.60x = 2,367,923,055,255,949.50
  5. Step 5: Solve for x
    x = 2,367,923,055,255,949.50/55,412,136.60
  6. Step 6: Final answer
    x = 42,732,931.82

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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.