Home / 53,724,009.60-80,586,014.40-45,409,910.40

Finding the Fourth Proportional to 53,724,009.60, 80,586,014.40 and 45,409,910.40

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Solution

The fourth proportional to 53,724,009.60, 80,586,014.40 and 45,409,910.40 is: 68,114,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,724,009.60 : 80,586,014.40 = 45,409,910.40 : x
  2. Step 2: Convert to fraction form
    53,724,009.60/80,586,014.40 = 45,409,910.40/x
  3. Step 3: Cross multiply
    53,724,009.60x = 80,586,014.40 × 45,409,910.40
  4. Step 4: Simplify right side
    53,724,009.60x = 3,659,403,693,397,110
  5. Step 5: Solve for x
    x = 3,659,403,693,397,110/53,724,009.60
  6. Step 6: Final answer
    x = 68,114,865.60

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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.