Home / 206,712,000.30-310,068,000.45-177,990,566.70

Finding the Fourth Proportional to 206,712,000.30, 310,068,000.45 and 177,990,566.70

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Solution

The fourth proportional to 206,712,000.30, 310,068,000.45 and 177,990,566.70 is: 266,985,850.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,712,000.30 : 310,068,000.45 = 177,990,566.70 : x
  2. Step 2: Convert to fraction form
    206,712,000.30/310,068,000.45 = 177,990,566.70/x
  3. Step 3: Cross multiply
    206,712,000.30x = 310,068,000.45 × 177,990,566.70
  4. Step 4: Simplify right side
    206,712,000.30x = 55,189,179,115,631,352
  5. Step 5: Solve for x
    x = 55,189,179,115,631,352/206,712,000.30
  6. Step 6: Final answer
    x = 266,985,850.05

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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.