Home / 206,712,029.80-310,068,044.70-177,990,596.20

Finding the Fourth Proportional to 206,712,029.80, 310,068,044.70 and 177,990,596.20

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Solution

The fourth proportional to 206,712,029.80, 310,068,044.70 and 177,990,596.20 is: 266,985,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,712,029.80 : 310,068,044.70 = 177,990,596.20 : x
  2. Step 2: Convert to fraction form
    206,712,029.80/310,068,044.70 = 177,990,596.20/x
  3. Step 3: Cross multiply
    206,712,029.80x = 310,068,044.70 × 177,990,596.20
  4. Step 4: Simplify right side
    206,712,029.80x = 55,189,196,138,721,248
  5. Step 5: Solve for x
    x = 55,189,196,138,721,248/206,712,029.80
  6. Step 6: Final answer
    x = 266,985,894.30

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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.