Home / 139,223,034.41-208,932,686.74-65,450,181.63

Finding the Fourth Proportional to 139,223,034.41, 208,932,686.74 and 65,450,181.63

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Solution

The fourth proportional to 139,223,034.41, 208,932,686.74 and 65,450,181.63 is: 98,221,406.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,223,034.41 : 208,932,686.74 = 65,450,181.63 : x
  2. Step 2: Convert to fraction form
    139,223,034.41/208,932,686.74 = 65,450,181.63/x
  3. Step 3: Cross multiply
    139,223,034.41x = 208,932,686.74 × 65,450,181.63
  4. Step 4: Simplify right side
    139,223,034.41x = 13,674,682,296,073,718
  5. Step 5: Solve for x
    x = 13,674,682,296,073,718/139,223,034.41
  6. Step 6: Final answer
    x = 98,221,406.78

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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.