Home / 136,415,761.60-188,255,073.60-74,536,094.72

Finding the Fourth Proportional to 136,415,761.60, 188,255,073.60 and 74,536,094.72

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Solution

The fourth proportional to 136,415,761.60, 188,255,073.60 and 74,536,094.72 is: 102,860,533.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,415,761.60 : 188,255,073.60 = 74,536,094.72 : x
  2. Step 2: Convert to fraction form
    136,415,761.60/188,255,073.60 = 74,536,094.72/x
  3. Step 3: Cross multiply
    136,415,761.60x = 188,255,073.60 × 74,536,094.72
  4. Step 4: Simplify right side
    136,415,761.60x = 14,031,797,997,370,170
  5. Step 5: Solve for x
    x = 14,031,797,997,370,170/136,415,761.60
  6. Step 6: Final answer
    x = 102,860,533.36

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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.