Home / 66,119,812.40-99,193,715.40-20,057,898.80

Finding the Fourth Proportional to 66,119,812.40, 99,193,715.40 and 20,057,898.80

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Solution

The fourth proportional to 66,119,812.40, 99,193,715.40 and 20,057,898.80 is: 30,091,094.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,119,812.40 : 99,193,715.40 = 20,057,898.80 : x
  2. Step 2: Convert to fraction form
    66,119,812.40/99,193,715.40 = 20,057,898.80/x
  3. Step 3: Cross multiply
    66,119,812.40x = 99,193,715.40 × 20,057,898.80
  4. Step 4: Simplify right side
    66,119,812.40x = 1,989,617,505,089,201.75
  5. Step 5: Solve for x
    x = 1,989,617,505,089,201.75/66,119,812.40
  6. Step 6: Final answer
    x = 30,091,094.23

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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.