Home / 122,026,922.22-168,400,441.17-71,794,647.21

Finding the Fourth Proportional to 122,026,922.22, 168,400,441.17 and 71,794,647.21

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Solution

The fourth proportional to 122,026,922.22, 168,400,441.17 and 71,794,647.21 is: 99,078,547.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,026,922.22 : 168,400,441.17 = 71,794,647.21 : x
  2. Step 2: Convert to fraction form
    122,026,922.22/168,400,441.17 = 71,794,647.21/x
  3. Step 3: Cross multiply
    122,026,922.22x = 168,400,441.17 × 71,794,647.21
  4. Step 4: Simplify right side
    122,026,922.22x = 12,090,250,263,808,508
  5. Step 5: Solve for x
    x = 12,090,250,263,808,508/122,026,922.22
  6. Step 6: Final answer
    x = 99,078,547.95

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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.