Home / 196,321,314.86-270,935,535.93-108,215,114.12

Finding the Fourth Proportional to 196,321,314.86, 270,935,535.93 and 108,215,114.12

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Solution

The fourth proportional to 196,321,314.86, 270,935,535.93 and 108,215,114.12 is: 149,343,538.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,321,314.86 : 270,935,535.93 = 108,215,114.12 : x
  2. Step 2: Convert to fraction form
    196,321,314.86/270,935,535.93 = 108,215,114.12/x
  3. Step 3: Cross multiply
    196,321,314.86x = 270,935,535.93 × 108,215,114.12
  4. Step 4: Simplify right side
    196,321,314.86x = 29,319,319,939,828,312
  5. Step 5: Solve for x
    x = 29,319,319,939,828,312/196,321,314.86
  6. Step 6: Final answer
    x = 149,343,538.99

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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.