Home / 309,715,652.90-464,573,479.24-115,642,224.20

Finding the Fourth Proportional to 309,715,652.90, 464,573,479.24 and 115,642,224.20

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Solution

The fourth proportional to 309,715,652.90, 464,573,479.24 and 115,642,224.20 is: 173,463,336.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,715,652.90 : 464,573,479.24 = 115,642,224.20 : x
  2. Step 2: Convert to fraction form
    309,715,652.90/464,573,479.24 = 115,642,224.20/x
  3. Step 3: Cross multiply
    309,715,652.90x = 464,573,479.24 × 115,642,224.20
  4. Step 4: Simplify right side
    309,715,652.90x = 53,724,310,443,646,128
  5. Step 5: Solve for x
    x = 53,724,310,443,646,128/309,715,652.90
  6. Step 6: Final answer
    x = 173,463,336.26

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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.