Home / 149,724,489.60-224,586,734.40-85,003,286.40

Finding the Fourth Proportional to 149,724,489.60, 224,586,734.40 and 85,003,286.40

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Solution

The fourth proportional to 149,724,489.60, 224,586,734.40 and 85,003,286.40 is: 127,504,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,724,489.60 : 224,586,734.40 = 85,003,286.40 : x
  2. Step 2: Convert to fraction form
    149,724,489.60/224,586,734.40 = 85,003,286.40/x
  3. Step 3: Cross multiply
    149,724,489.60x = 224,586,734.40 × 85,003,286.40
  4. Step 4: Simplify right side
    149,724,489.60x = 19,090,610,505,843,936
  5. Step 5: Solve for x
    x = 19,090,610,505,843,936/149,724,489.60
  6. Step 6: Final answer
    x = 127,504,929.60

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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.