Home / 122,733,526.02-169,372,221.18-66,978,946.56

Finding the Fourth Proportional to 122,733,526.02, 169,372,221.18 and 66,978,946.56

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Solution

The fourth proportional to 122,733,526.02, 169,372,221.18 and 66,978,946.56 is: 92,430,921.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,733,526.02 : 169,372,221.18 = 66,978,946.56 : x
  2. Step 2: Convert to fraction form
    122,733,526.02/169,372,221.18 = 66,978,946.56/x
  3. Step 3: Cross multiply
    122,733,526.02x = 169,372,221.18 × 66,978,946.56
  4. Step 4: Simplify right side
    122,733,526.02x = 11,344,372,951,163,722
  5. Step 5: Solve for x
    x = 11,344,372,951,163,722/122,733,526.02
  6. Step 6: Final answer
    x = 92,430,921.84

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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.