Home / 78,732,047.64-108,650,293.72-43,924,745.18

Finding the Fourth Proportional to 78,732,047.64, 108,650,293.72 and 43,924,745.18

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Solution

The fourth proportional to 78,732,047.64, 108,650,293.72 and 43,924,745.18 is: 60,616,186.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,047.64 : 108,650,293.72 = 43,924,745.18 : x
  2. Step 2: Convert to fraction form
    78,732,047.64/108,650,293.72 = 43,924,745.18/x
  3. Step 3: Cross multiply
    78,732,047.64x = 108,650,293.72 × 43,924,745.18
  4. Step 4: Simplify right side
    78,732,047.64x = 4,772,436,465,383,154
  5. Step 5: Solve for x
    x = 4,772,436,465,383,154/78,732,047.64
  6. Step 6: Final answer
    x = 60,616,186.27

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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.