Home / 196,660,547.20-271,391,511.72-108,554,521.96

Finding the Fourth Proportional to 196,660,547.20, 271,391,511.72 and 108,554,521.96

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Solution

The fourth proportional to 196,660,547.20, 271,391,511.72 and 108,554,521.96 is: 149,805,216.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,660,547.20 : 271,391,511.72 = 108,554,521.96 : x
  2. Step 2: Convert to fraction form
    196,660,547.20/271,391,511.72 = 108,554,521.96/x
  3. Step 3: Cross multiply
    196,660,547.20x = 271,391,511.72 × 108,554,521.96
  4. Step 4: Simplify right side
    196,660,547.20x = 29,460,775,818,766,340
  5. Step 5: Solve for x
    x = 29,460,775,818,766,340/196,660,547.20
  6. Step 6: Final answer
    x = 149,805,216.34

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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.