Home / 122,445,531.15-168,968,454.08-76,034,789.43

Finding the Fourth Proportional to 122,445,531.15, 168,968,454.08 and 76,034,789.43

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Solution

The fourth proportional to 122,445,531.15, 168,968,454.08 and 76,034,789.43 is: 104,924,048.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,445,531.15 : 168,968,454.08 = 76,034,789.43 : x
  2. Step 2: Convert to fraction form
    122,445,531.15/168,968,454.08 = 76,034,789.43/x
  3. Step 3: Cross multiply
    122,445,531.15x = 168,968,454.08 × 76,034,789.43
  4. Step 4: Simplify right side
    122,445,531.15x = 12,847,480,825,905,250
  5. Step 5: Solve for x
    x = 12,847,480,825,905,250/122,445,531.15
  6. Step 6: Final answer
    x = 104,924,048.31

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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.