Home / 122,575,759.20-169,153,147.14-66,819,949.32

Finding the Fourth Proportional to 122,575,759.20, 169,153,147.14 and 66,819,949.32

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Solution

The fourth proportional to 122,575,759.20, 169,153,147.14 and 66,819,949.32 is: 92,210,766.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,575,759.20 : 169,153,147.14 = 66,819,949.32 : x
  2. Step 2: Convert to fraction form
    122,575,759.20/169,153,147.14 = 66,819,949.32/x
  3. Step 3: Cross multiply
    122,575,759.20x = 169,153,147.14 × 66,819,949.32
  4. Step 4: Simplify right side
    122,575,759.20x = 11,302,804,719,213,302
  5. Step 5: Solve for x
    x = 11,302,804,719,213,302/122,575,759.20
  6. Step 6: Final answer
    x = 92,210,766.57

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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.