Home / 84,278,288.40-116,313,476.76-47,611,221.36

Finding the Fourth Proportional to 84,278,288.40, 116,313,476.76 and 47,611,221.36

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Solution

The fourth proportional to 84,278,288.40, 116,313,476.76 and 47,611,221.36 is: 65,708,817.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,278,288.40 : 116,313,476.76 = 47,611,221.36 : x
  2. Step 2: Convert to fraction form
    84,278,288.40/116,313,476.76 = 47,611,221.36/x
  3. Step 3: Cross multiply
    84,278,288.40x = 116,313,476.76 × 47,611,221.36
  4. Step 4: Simplify right side
    84,278,288.40x = 5,537,826,689,171,576
  5. Step 5: Solve for x
    x = 5,537,826,689,171,576/84,278,288.40
  6. Step 6: Final answer
    x = 65,708,817.71

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1.5x scale

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.