Home / 309,567,399.12-464,207,607.63-115,426,687.32

Finding the Fourth Proportional to 309,567,399.12, 464,207,607.63 and 115,426,687.32

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Solution

The fourth proportional to 309,567,399.12, 464,207,607.63 and 115,426,687.32 is: 173,086,528.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,567,399.12 : 464,207,607.63 = 115,426,687.32 : x
  2. Step 2: Convert to fraction form
    309,567,399.12/464,207,607.63 = 115,426,687.32/x
  3. Step 3: Cross multiply
    309,567,399.12x = 464,207,607.63 × 115,426,687.32
  4. Step 4: Simplify right side
    309,567,399.12x = 53,581,946,377,473,256
  5. Step 5: Solve for x
    x = 53,581,946,377,473,256/309,567,399.12
  6. Step 6: Final answer
    x = 173,086,528.26

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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.