Home / 107,774,912.20-161,662,368.30-39,608,746.60

Finding the Fourth Proportional to 107,774,912.20, 161,662,368.30 and 39,608,746.60

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Solution

The fourth proportional to 107,774,912.20, 161,662,368.30 and 39,608,746.60 is: 59,413,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,774,912.20 : 161,662,368.30 = 39,608,746.60 : x
  2. Step 2: Convert to fraction form
    107,774,912.20/161,662,368.30 = 39,608,746.60/x
  3. Step 3: Cross multiply
    107,774,912.20x = 161,662,368.30 × 39,608,746.60
  4. Step 4: Simplify right side
    107,774,912.20x = 6,403,243,780,750,573
  5. Step 5: Solve for x
    x = 6,403,243,780,750,573/107,774,912.20
  6. Step 6: Final answer
    x = 59,413,119.90

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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.