Home / 320,339,132.74-442,071,482.66-188,185,699.27

Finding the Fourth Proportional to 320,339,132.74, 442,071,482.66 and 188,185,699.27

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Solution

The fourth proportional to 320,339,132.74, 442,071,482.66 and 188,185,699.27 is: 259,698,309.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,339,132.74 : 442,071,482.66 = 188,185,699.27 : x
  2. Step 2: Convert to fraction form
    320,339,132.74/442,071,482.66 = 188,185,699.27/x
  3. Step 3: Cross multiply
    320,339,132.74x = 442,071,482.66 × 188,185,699.27
  4. Step 4: Simplify right side
    320,339,132.74x = 83,191,531,091,697,792
  5. Step 5: Solve for x
    x = 83,191,531,091,697,792/320,339,132.74
  6. Step 6: Final answer
    x = 259,698,309.04

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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.