Home / 54,459,057.40-81,688,586.10-20,375,974.60

Finding the Fourth Proportional to 54,459,057.40, 81,688,586.10 and 20,375,974.60

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Solution

The fourth proportional to 54,459,057.40, 81,688,586.10 and 20,375,974.60 is: 30,563,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,459,057.40 : 81,688,586.10 = 20,375,974.60 : x
  2. Step 2: Convert to fraction form
    54,459,057.40/81,688,586.10 = 20,375,974.60/x
  3. Step 3: Cross multiply
    54,459,057.40x = 81,688,586.10 × 20,375,974.60
  4. Step 4: Simplify right side
    54,459,057.40x = 1,664,484,555,483,513
  5. Step 5: Solve for x
    x = 1,664,484,555,483,513/54,459,057.40
  6. Step 6: Final answer
    x = 30,563,961.90

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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.