Home / 84,278,282.40-116,313,468.48-47,611,215.36

Finding the Fourth Proportional to 84,278,282.40, 116,313,468.48 and 47,611,215.36

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Solution

The fourth proportional to 84,278,282.40, 116,313,468.48 and 47,611,215.36 is: 65,708,809.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,278,282.40 : 116,313,468.48 = 47,611,215.36 : x
  2. Step 2: Convert to fraction form
    84,278,282.40/116,313,468.48 = 47,611,215.36/x
  3. Step 3: Cross multiply
    84,278,282.40x = 116,313,468.48 × 47,611,215.36
  4. Step 4: Simplify right side
    84,278,282.40x = 5,537,825,597,069,852
  5. Step 5: Solve for x
    x = 5,537,825,597,069,852/84,278,282.40
  6. Step 6: Final answer
    x = 65,708,809.43

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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.