Home / 107,856,009.60-161,784,014.40-39,684,595.20

Finding the Fourth Proportional to 107,856,009.60, 161,784,014.40 and 39,684,595.20

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Solution

The fourth proportional to 107,856,009.60, 161,784,014.40 and 39,684,595.20 is: 59,526,892.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,856,009.60 : 161,784,014.40 = 39,684,595.20 : x
  2. Step 2: Convert to fraction form
    107,856,009.60/161,784,014.40 = 39,684,595.20/x
  3. Step 3: Cross multiply
    107,856,009.60x = 161,784,014.40 × 39,684,595.20
  4. Step 4: Simplify right side
    107,856,009.60x = 6,420,333,121,294,972
  5. Step 5: Solve for x
    x = 6,420,333,121,294,972/107,856,009.60
  6. Step 6: Final answer
    x = 59,526,892.80

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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.