Home / 284,420,284.96-426,630,428.44-79,948,360.20

Finding the Fourth Proportional to 284,420,284.96, 426,630,428.44 and 79,948,360.20

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Solution

The fourth proportional to 284,420,284.96, 426,630,428.44 and 79,948,360.20 is: 119,922,540.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,420,284.96 : 426,630,428.44 = 79,948,360.20 : x
  2. Step 2: Convert to fraction form
    284,420,284.96/426,630,428.44 = 79,948,360.20/x
  3. Step 3: Cross multiply
    284,420,284.96x = 426,630,428.44 × 79,948,360.20
  4. Step 4: Simplify right side
    284,420,284.96x = 34,108,403,165,201,444
  5. Step 5: Solve for x
    x = 34,108,403,165,201,444/284,420,284.96
  6. Step 6: Final answer
    x = 119,922,540.58

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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.