Home / 206,648,004.02-309,972,432.48-194,020,965.86

Finding the Fourth Proportional to 206,648,004.02, 309,972,432.48 and 194,020,965.86

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Solution

The fourth proportional to 206,648,004.02, 309,972,432.48 and 194,020,965.86 is: 291,031,849.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,648,004.02 : 309,972,432.48 = 194,020,965.86 : x
  2. Step 2: Convert to fraction form
    206,648,004.02/309,972,432.48 = 194,020,965.86/x
  3. Step 3: Cross multiply
    206,648,004.02x = 309,972,432.48 × 194,020,965.86
  4. Step 4: Simplify right side
    206,648,004.02x = 60,141,150,739,743,240
  5. Step 5: Solve for x
    x = 60,141,150,739,743,240/206,648,004.02
  6. Step 6: Final answer
    x = 291,031,849.18

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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.