Home / 66,377,736.40-99,559,231.80-54,389,563.60

Finding the Fourth Proportional to 66,377,736.40, 99,559,231.80 and 54,389,563.60

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Solution

The fourth proportional to 66,377,736.40, 99,559,231.80 and 54,389,563.60 is: 81,578,304.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,377,736.40 : 99,559,231.80 = 54,389,563.60 : x
  2. Step 2: Convert to fraction form
    66,377,736.40/99,559,231.80 = 54,389,563.60/x
  3. Step 3: Cross multiply
    66,377,736.40x = 99,559,231.80 × 54,389,563.60
  4. Step 4: Simplify right side
    66,377,736.40x = 5,414,983,169,953,242
  5. Step 5: Solve for x
    x = 5,414,983,169,953,242/66,377,736.40
  6. Step 6: Final answer
    x = 81,578,304.17

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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.