Home / 133,415,445.60-200,123,168.40-68,845,364.10

Finding the Fourth Proportional to 133,415,445.60, 200,123,168.40 and 68,845,364.10

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Solution

The fourth proportional to 133,415,445.60, 200,123,168.40 and 68,845,364.10 is: 103,268,046.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,415,445.60 : 200,123,168.40 = 68,845,364.10 : x
  2. Step 2: Convert to fraction form
    133,415,445.60/200,123,168.40 = 68,845,364.10/x
  3. Step 3: Cross multiply
    133,415,445.60x = 200,123,168.40 × 68,845,364.10
  4. Step 4: Simplify right side
    133,415,445.60x = 13,777,552,393,343,614
  5. Step 5: Solve for x
    x = 13,777,552,393,343,614/133,415,445.60
  6. Step 6: Final answer
    x = 103,268,046.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.