Home / 320,616,568.63-442,451,722.31-173,938,852.63

Finding the Fourth Proportional to 320,616,568.63, 442,451,722.31 and 173,938,852.63

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Solution

The fourth proportional to 320,616,568.63, 442,451,722.31 and 173,938,852.63 is: 240,036,081.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,616,568.63 : 442,451,722.31 = 173,938,852.63 : x
  2. Step 2: Convert to fraction form
    320,616,568.63/442,451,722.31 = 173,938,852.63/x
  3. Step 3: Cross multiply
    320,616,568.63x = 442,451,722.31 × 173,938,852.63
  4. Step 4: Simplify right side
    320,616,568.63x = 76,959,544,922,768,768
  5. Step 5: Solve for x
    x = 76,959,544,922,768,768/320,616,568.63
  6. Step 6: Final answer
    x = 240,036,081.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.