Home / 205,186,156.56-307,779,853.68-49,739,354.64

Finding the Fourth Proportional to 205,186,156.56, 307,779,853.68 and 49,739,354.64

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Solution

The fourth proportional to 205,186,156.56, 307,779,853.68 and 49,739,354.64 is: 74,609,181.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,186,156.56 : 307,779,853.68 = 49,739,354.64 : x
  2. Step 2: Convert to fraction form
    205,186,156.56/307,779,853.68 = 49,739,354.64/x
  3. Step 3: Cross multiply
    205,186,156.56x = 307,779,853.68 × 49,739,354.64
  4. Step 4: Simplify right side
    205,186,156.56x = 15,308,771,293,236,830
  5. Step 5: Solve for x
    x = 15,308,771,293,236,830/205,186,156.56
  6. Step 6: Final answer
    x = 74,609,181.97

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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.