Home / 196,111,409.76-270,663,167.52-148,990,943.34

Finding the Fourth Proportional to 196,111,409.76, 270,663,167.52 and 148,990,943.34

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Solution

The fourth proportional to 196,111,409.76, 270,663,167.52 and 148,990,943.34 is: 205,629,854.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,111,409.76 : 270,663,167.52 = 148,990,943.34 : x
  2. Step 2: Convert to fraction form
    196,111,409.76/270,663,167.52 = 148,990,943.34/x
  3. Step 3: Cross multiply
    196,111,409.76x = 270,663,167.52 × 148,990,943.34
  4. Step 4: Simplify right side
    196,111,409.76x = 40,326,360,656,197,248
  5. Step 5: Solve for x
    x = 40,326,360,656,197,248/196,111,409.76
  6. Step 6: Final answer
    x = 205,629,854.51

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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.