Home / 84,485,498.88-116,570,005.56-47,816,068.80

Finding the Fourth Proportional to 84,485,498.88, 116,570,005.56 and 47,816,068.80

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Solution

The fourth proportional to 84,485,498.88, 116,570,005.56 and 47,816,068.80 is: 65,974,865.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,485,498.88 : 116,570,005.56 = 47,816,068.80 : x
  2. Step 2: Convert to fraction form
    84,485,498.88/116,570,005.56 = 47,816,068.80/x
  3. Step 3: Cross multiply
    84,485,498.88x = 116,570,005.56 × 47,816,068.80
  4. Step 4: Simplify right side
    84,485,498.88x = 5,573,919,405,873,342
  5. Step 5: Solve for x
    x = 5,573,919,405,873,342/84,485,498.88
  6. Step 6: Final answer
    x = 65,974,865.27

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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.