Home / 84,699,465.84-126,993,444.75-55,857,659.76

Finding the Fourth Proportional to 84,699,465.84, 126,993,444.75 and 55,857,659.76

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Solution

The fourth proportional to 84,699,465.84, 126,993,444.75 and 55,857,659.76 is: 83,749,720.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,699,465.84 : 126,993,444.75 = 55,857,659.76 : x
  2. Step 2: Convert to fraction form
    84,699,465.84/126,993,444.75 = 55,857,659.76/x
  3. Step 3: Cross multiply
    84,699,465.84x = 126,993,444.75 × 55,857,659.76
  4. Step 4: Simplify right side
    84,699,465.84x = 7,093,556,628,595,858
  5. Step 5: Solve for x
    x = 7,093,556,628,595,858/84,699,465.84
  6. Step 6: Final answer
    x = 83,749,720.95

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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.