Home / 66,510,081.70-99,765,122.55-43,816,603.30

Finding the Fourth Proportional to 66,510,081.70, 99,765,122.55 and 43,816,603.30

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Solution

The fourth proportional to 66,510,081.70, 99,765,122.55 and 43,816,603.30 is: 65,724,904.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,510,081.70 : 99,765,122.55 = 43,816,603.30 : x
  2. Step 2: Convert to fraction form
    66,510,081.70/99,765,122.55 = 43,816,603.30/x
  3. Step 3: Cross multiply
    66,510,081.70x = 99,765,122.55 × 43,816,603.30
  4. Step 4: Simplify right side
    66,510,081.70x = 4,371,368,797,949,234
  5. Step 5: Solve for x
    x = 4,371,368,797,949,234/66,510,081.70
  6. Step 6: Final answer
    x = 65,724,904.95

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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.