Home / 75,816,064.80-113,724,097.20-74,304,410.40

Finding the Fourth Proportional to 75,816,064.80, 113,724,097.20 and 74,304,410.40

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Solution

The fourth proportional to 75,816,064.80, 113,724,097.20 and 74,304,410.40 is: 111,456,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,816,064.80 : 113,724,097.20 = 74,304,410.40 : x
  2. Step 2: Convert to fraction form
    75,816,064.80/113,724,097.20 = 74,304,410.40/x
  3. Step 3: Cross multiply
    75,816,064.80x = 113,724,097.20 × 74,304,410.40
  4. Step 4: Simplify right side
    75,816,064.80x = 8,450,201,990,718,292
  5. Step 5: Solve for x
    x = 8,450,201,990,718,292/75,816,064.80
  6. Step 6: Final answer
    x = 111,456,615.60

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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.