Home / 205,211,153.08-308,123,885.90-177,630,610.74

Finding the Fourth Proportional to 205,211,153.08, 308,123,885.90 and 177,630,610.74

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Solution

The fourth proportional to 205,211,153.08, 308,123,885.90 and 177,630,610.74 is: 266,711,790.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,211,153.08 : 308,123,885.90 = 177,630,610.74 : x
  2. Step 2: Convert to fraction form
    205,211,153.08/308,123,885.90 = 177,630,610.74/x
  3. Step 3: Cross multiply
    205,211,153.08x = 308,123,885.90 × 177,630,610.74
  4. Step 4: Simplify right side
    205,211,153.08x = 54,732,234,036,266,384
  5. Step 5: Solve for x
    x = 54,732,234,036,266,384/205,211,153.08
  6. Step 6: Final answer
    x = 266,711,790.35

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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.