Home / 139,937,015-193,103,749.50-80,400,226.52

Finding the Fourth Proportional to 139,937,015, 193,103,749.50 and 80,400,226.52

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Solution

The fourth proportional to 139,937,015, 193,103,749.50 and 80,400,226.52 is: 110,946,951.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,937,015 : 193,103,749.50 = 80,400,226.52 : x
  2. Step 2: Convert to fraction form
    139,937,015/193,103,749.50 = 80,400,226.52/x
  3. Step 3: Cross multiply
    139,937,015x = 193,103,749.50 × 80,400,226.52
  4. Step 4: Simplify right side
    139,937,015x = 15,525,585,201,661,336
  5. Step 5: Solve for x
    x = 15,525,585,201,661,336/139,937,015
  6. Step 6: Final answer
    x = 110,946,951.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.