Home / 122,878,407.52-169,568,349.60-67,122,932.32

Finding the Fourth Proportional to 122,878,407.52, 169,568,349.60 and 67,122,932.32

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Solution

The fourth proportional to 122,878,407.52, 169,568,349.60 and 67,122,932.32 is: 92,627,542.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,878,407.52 : 169,568,349.60 = 67,122,932.32 : x
  2. Step 2: Convert to fraction form
    122,878,407.52/169,568,349.60 = 67,122,932.32/x
  3. Step 3: Cross multiply
    122,878,407.52x = 169,568,349.60 × 67,122,932.32
  4. Step 4: Simplify right side
    122,878,407.52x = 11,381,924,853,814,898
  5. Step 5: Solve for x
    x = 11,381,924,853,814,898/122,878,407.52
  6. Step 6: Final answer
    x = 92,627,542.00

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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.