Home / 107,774,915.20-161,662,372.80-39,608,749.60

Finding the Fourth Proportional to 107,774,915.20, 161,662,372.80 and 39,608,749.60

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Solution

The fourth proportional to 107,774,915.20, 161,662,372.80 and 39,608,749.60 is: 59,413,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,774,915.20 : 161,662,372.80 = 39,608,749.60 : x
  2. Step 2: Convert to fraction form
    107,774,915.20/161,662,372.80 = 39,608,749.60/x
  3. Step 3: Cross multiply
    107,774,915.20x = 161,662,372.80 × 39,608,749.60
  4. Step 4: Simplify right side
    107,774,915.20x = 6,403,244,443,977,052
  5. Step 5: Solve for x
    x = 6,403,244,443,977,052/107,774,915.20
  6. Step 6: Final answer
    x = 59,413,124.40

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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.