Home / 54,459,110.40-81,688,665.60-20,376,027.60

Finding the Fourth Proportional to 54,459,110.40, 81,688,665.60 and 20,376,027.60

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Solution

The fourth proportional to 54,459,110.40, 81,688,665.60 and 20,376,027.60 is: 30,564,041.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,459,110.40 : 81,688,665.60 = 20,376,027.60 : x
  2. Step 2: Convert to fraction form
    54,459,110.40/81,688,665.60 = 20,376,027.60/x
  3. Step 3: Cross multiply
    54,459,110.40x = 81,688,665.60 × 20,376,027.60
  4. Step 4: Simplify right side
    54,459,110.40x = 1,664,490,504,872,770.50
  5. Step 5: Solve for x
    x = 1,664,490,504,872,770.50/54,459,110.40
  6. Step 6: Final answer
    x = 30,564,041.40

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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.