Home / 74,807,369.40-111,998,477.70-66,304,313.40

Finding the Fourth Proportional to 74,807,369.40, 111,998,477.70 and 66,304,313.40

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Solution

The fourth proportional to 74,807,369.40, 111,998,477.70 and 66,304,313.40 is: 99,268,056.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,807,369.40 : 111,998,477.70 = 66,304,313.40 : x
  2. Step 2: Convert to fraction form
    74,807,369.40/111,998,477.70 = 66,304,313.40/x
  3. Step 3: Cross multiply
    74,807,369.40x = 111,998,477.70 × 66,304,313.40
  4. Step 4: Simplify right side
    74,807,369.40x = 7,425,982,165,743,711
  5. Step 5: Solve for x
    x = 7,425,982,165,743,711/74,807,369.40
  6. Step 6: Final answer
    x = 99,268,056.41

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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.