Home / 84,907,070.40-127,360,605.60-54,296,068.80

Finding the Fourth Proportional to 84,907,070.40, 127,360,605.60 and 54,296,068.80

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Solution

The fourth proportional to 84,907,070.40, 127,360,605.60 and 54,296,068.80 is: 81,444,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,907,070.40 : 127,360,605.60 = 54,296,068.80 : x
  2. Step 2: Convert to fraction form
    84,907,070.40/127,360,605.60 = 54,296,068.80/x
  3. Step 3: Cross multiply
    84,907,070.40x = 127,360,605.60 × 54,296,068.80
  4. Step 4: Simplify right side
    84,907,070.40x = 6,915,180,204,067,265
  5. Step 5: Solve for x
    x = 6,915,180,204,067,265/84,907,070.40
  6. Step 6: Final answer
    x = 81,444,103.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.