Home / 75,816,069.80-113,724,104.70-74,304,415.40

Finding the Fourth Proportional to 75,816,069.80, 113,724,104.70 and 74,304,415.40

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Solution

The fourth proportional to 75,816,069.80, 113,724,104.70 and 74,304,415.40 is: 111,456,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,816,069.80 : 113,724,104.70 = 74,304,415.40 : x
  2. Step 2: Convert to fraction form
    75,816,069.80/113,724,104.70 = 74,304,415.40/x
  3. Step 3: Cross multiply
    75,816,069.80x = 113,724,104.70 × 74,304,415.40
  4. Step 4: Simplify right side
    75,816,069.80x = 8,450,203,116,621,893
  5. Step 5: Solve for x
    x = 8,450,203,116,621,893/75,816,069.80
  6. Step 6: Final answer
    x = 111,456,623.10

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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.