Home / 79,439,926.39-109,628,409.35-43,677,878.17

Finding the Fourth Proportional to 79,439,926.39, 109,628,409.35 and 43,677,878.17

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Solution

The fourth proportional to 79,439,926.39, 109,628,409.35 and 43,677,878.17 is: 60,276,192.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,439,926.39 : 109,628,409.35 = 43,677,878.17 : x
  2. Step 2: Convert to fraction form
    79,439,926.39/109,628,409.35 = 43,677,878.17/x
  3. Step 3: Cross multiply
    79,439,926.39x = 109,628,409.35 × 43,677,878.17
  4. Step 4: Simplify right side
    79,439,926.39x = 4,788,336,307,560,189
  5. Step 5: Solve for x
    x = 4,788,336,307,560,189/79,439,926.39
  6. Step 6: Final answer
    x = 60,276,192.65

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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.