Home / 186,630,666.30-279,945,999.45-173,025,776.70

Finding the Fourth Proportional to 186,630,666.30, 279,945,999.45 and 173,025,776.70

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Solution

The fourth proportional to 186,630,666.30, 279,945,999.45 and 173,025,776.70 is: 259,538,665.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,630,666.30 : 279,945,999.45 = 173,025,776.70 : x
  2. Step 2: Convert to fraction form
    186,630,666.30/279,945,999.45 = 173,025,776.70/x
  3. Step 3: Cross multiply
    186,630,666.30x = 279,945,999.45 × 173,025,776.70
  4. Step 4: Simplify right side
    186,630,666.30x = 48,437,873,988,894,016
  5. Step 5: Solve for x
    x = 48,437,873,988,894,016/186,630,666.30
  6. Step 6: Final answer
    x = 259,538,665.05

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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.