Home / 206,496,853.83-309,743,181.23-53,142,314.31

Finding the Fourth Proportional to 206,496,853.83, 309,743,181.23 and 53,142,314.31

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Solution

The fourth proportional to 206,496,853.83, 309,743,181.23 and 53,142,314.31 is: 79,712,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,496,853.83 : 309,743,181.23 = 53,142,314.31 : x
  2. Step 2: Convert to fraction form
    206,496,853.83/309,743,181.23 = 53,142,314.31/x
  3. Step 3: Cross multiply
    206,496,853.83x = 309,743,181.23 × 53,142,314.31
  4. Step 4: Simplify right side
    206,496,853.83x = 16,460,469,492,038,242
  5. Step 5: Solve for x
    x = 16,460,469,492,038,242/206,496,853.83
  6. Step 6: Final answer
    x = 79,712,931.15

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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.