Home / 79,257,611.45-109,376,390.50-43,976,055.38

Finding the Fourth Proportional to 79,257,611.45, 109,376,390.50 and 43,976,055.38

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Solution

The fourth proportional to 79,257,611.45, 109,376,390.50 and 43,976,055.38 is: 60,687,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,257,611.45 : 109,376,390.50 = 43,976,055.38 : x
  2. Step 2: Convert to fraction form
    79,257,611.45/109,376,390.50 = 43,976,055.38/x
  3. Step 3: Cross multiply
    79,257,611.45x = 109,376,390.50 × 43,976,055.38
  4. Step 4: Simplify right side
    79,257,611.45x = 4,809,942,205,235,684
  5. Step 5: Solve for x
    x = 4,809,942,205,235,684/79,257,611.45
  6. Step 6: Final answer
    x = 60,687,448.40

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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.