Home / 117,662,745.60-162,374,146.56-68,760,483.84

Finding the Fourth Proportional to 117,662,745.60, 162,374,146.56 and 68,760,483.84

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Solution

The fourth proportional to 117,662,745.60, 162,374,146.56 and 68,760,483.84 is: 94,889,209.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,662,745.60 : 162,374,146.56 = 68,760,483.84 : x
  2. Step 2: Convert to fraction form
    117,662,745.60/162,374,146.56 = 68,760,483.84/x
  3. Step 3: Cross multiply
    117,662,745.60x = 162,374,146.56 × 68,760,483.84
  4. Step 4: Simplify right side
    117,662,745.60x = 11,164,924,880,572,672
  5. Step 5: Solve for x
    x = 11,164,924,880,572,672/117,662,745.60
  6. Step 6: Final answer
    x = 94,889,209.19

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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.