Home / 139,857,277.47-209,750,132.16-41,465,976.74

Finding the Fourth Proportional to 139,857,277.47, 209,750,132.16 and 41,465,976.74

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Solution

The fourth proportional to 139,857,277.47, 209,750,132.16 and 41,465,976.74 is: 62,188,355.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,857,277.47 : 209,750,132.16 = 41,465,976.74 : x
  2. Step 2: Convert to fraction form
    139,857,277.47/209,750,132.16 = 41,465,976.74/x
  3. Step 3: Cross multiply
    139,857,277.47x = 209,750,132.16 × 41,465,976.74
  4. Step 4: Simplify right side
    139,857,277.47x = 8,697,494,100,102,405
  5. Step 5: Solve for x
    x = 8,697,494,100,102,405/139,857,277.47
  6. Step 6: Final answer
    x = 62,188,355.57

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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.