Home / 84,278,289.40-116,313,478.14-47,611,222.36

Finding the Fourth Proportional to 84,278,289.40, 116,313,478.14 and 47,611,222.36

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Solution

The fourth proportional to 84,278,289.40, 116,313,478.14 and 47,611,222.36 is: 65,708,819.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,278,289.40 : 116,313,478.14 = 47,611,222.36 : x
  2. Step 2: Convert to fraction form
    84,278,289.40/116,313,478.14 = 47,611,222.36/x
  3. Step 3: Cross multiply
    84,278,289.40x = 116,313,478.14 × 47,611,222.36
  4. Step 4: Simplify right side
    84,278,289.40x = 5,537,826,871,188,539
  5. Step 5: Solve for x
    x = 5,537,826,871,188,539/84,278,289.40
  6. Step 6: Final answer
    x = 65,708,819.09

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Double scale
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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.