Home / 133,463,619.20-200,195,428.80-104,798,172.80

Finding the Fourth Proportional to 133,463,619.20, 200,195,428.80 and 104,798,172.80

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Solution

The fourth proportional to 133,463,619.20, 200,195,428.80 and 104,798,172.80 is: 157,197,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,463,619.20 : 200,195,428.80 = 104,798,172.80 : x
  2. Step 2: Convert to fraction form
    133,463,619.20/200,195,428.80 = 104,798,172.80/x
  3. Step 3: Cross multiply
    133,463,619.20x = 200,195,428.80 × 104,798,172.80
  4. Step 4: Simplify right side
    133,463,619.20x = 20,980,115,141,152,496
  5. Step 5: Solve for x
    x = 20,980,115,141,152,496/133,463,619.20
  6. Step 6: Final answer
    x = 157,197,259.20

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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.