Home / 77,677,922.77-116,532,233.45-28,494,232.75

Finding the Fourth Proportional to 77,677,922.77, 116,532,233.45 and 28,494,232.75

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Solution

The fourth proportional to 77,677,922.77, 116,532,233.45 and 28,494,232.75 is: 42,746,979.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,677,922.77 : 116,532,233.45 = 28,494,232.75 : x
  2. Step 2: Convert to fraction form
    77,677,922.77/116,532,233.45 = 28,494,232.75/x
  3. Step 3: Cross multiply
    77,677,922.77x = 116,532,233.45 × 28,494,232.75
  4. Step 4: Simplify right side
    77,677,922.77x = 3,320,496,582,416,327
  5. Step 5: Solve for x
    x = 3,320,496,582,416,327/77,677,922.77
  6. Step 6: Final answer
    x = 42,746,979.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.