Home / 331,388,314.55-497,133,547.77-112,987,580.68

Finding the Fourth Proportional to 331,388,314.55, 497,133,547.77 and 112,987,580.68

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Solution

The fourth proportional to 331,388,314.55, 497,133,547.77 and 112,987,580.68 is: 169,498,785.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,388,314.55 : 497,133,547.77 = 112,987,580.68 : x
  2. Step 2: Convert to fraction form
    331,388,314.55/497,133,547.77 = 112,987,580.68/x
  3. Step 3: Cross multiply
    331,388,314.55x = 497,133,547.77 × 112,987,580.68
  4. Step 4: Simplify right side
    331,388,314.55x = 56,169,916,839,901,032
  5. Step 5: Solve for x
    x = 56,169,916,839,901,032/331,388,314.55
  6. Step 6: Final answer
    x = 169,498,785.48

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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.