Home / 78,436,230.39-117,668,710.62-32,352,960.47

Finding the Fourth Proportional to 78,436,230.39, 117,668,710.62 and 32,352,960.47

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Solution

The fourth proportional to 78,436,230.39, 117,668,710.62 and 32,352,960.47 is: 48,535,365.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,436,230.39 : 117,668,710.62 = 32,352,960.47 : x
  2. Step 2: Convert to fraction form
    78,436,230.39/117,668,710.62 = 32,352,960.47/x
  3. Step 3: Cross multiply
    78,436,230.39x = 117,668,710.62 × 32,352,960.47
  4. Step 4: Simplify right side
    78,436,230.39x = 3,806,931,143,244,729
  5. Step 5: Solve for x
    x = 3,806,931,143,244,729/78,436,230.39
  6. Step 6: Final answer
    x = 48,535,365.92

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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.