Home / 139,937,015.50-193,103,750.19-80,400,227.02

Finding the Fourth Proportional to 139,937,015.50, 193,103,750.19 and 80,400,227.02

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Solution

The fourth proportional to 139,937,015.50, 193,103,750.19 and 80,400,227.02 is: 110,946,952.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,937,015.50 : 193,103,750.19 = 80,400,227.02 : x
  2. Step 2: Convert to fraction form
    139,937,015.50/193,103,750.19 = 80,400,227.02/x
  3. Step 3: Cross multiply
    139,937,015.50x = 193,103,750.19 × 80,400,227.02
  4. Step 4: Simplify right side
    139,937,015.50x = 15,525,585,353,689,368
  5. Step 5: Solve for x
    x = 15,525,585,353,689,368/139,937,015.50
  6. Step 6: Final answer
    x = 110,946,952.09

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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.