Home / 84,649,411.20-116,825,322.24-47,976,046.08

Finding the Fourth Proportional to 84,649,411.20, 116,825,322.24 and 47,976,046.08

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Solution

The fourth proportional to 84,649,411.20, 116,825,322.24 and 47,976,046.08 is: 66,212,120.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,649,411.20 : 116,825,322.24 = 47,976,046.08 : x
  2. Step 2: Convert to fraction form
    84,649,411.20/116,825,322.24 = 47,976,046.08/x
  3. Step 3: Cross multiply
    84,649,411.20x = 116,825,322.24 × 47,976,046.08
  4. Step 4: Simplify right side
    84,649,411.20x = 5,604,817,043,097,088
  5. Step 5: Solve for x
    x = 5,604,817,043,097,088/84,649,411.20
  6. Step 6: Final answer
    x = 66,212,120.84

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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.