Home / 290,205,536.96-400,480,852.92-158,048,740.38

Finding the Fourth Proportional to 290,205,536.96, 400,480,852.92 and 158,048,740.38

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Solution

The fourth proportional to 290,205,536.96, 400,480,852.92 and 158,048,740.38 is: 218,105,743.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,205,536.96 : 400,480,852.92 = 158,048,740.38 : x
  2. Step 2: Convert to fraction form
    290,205,536.96/400,480,852.92 = 158,048,740.38/x
  3. Step 3: Cross multiply
    290,205,536.96x = 400,480,852.92 × 158,048,740.38
  4. Step 4: Simplify right side
    290,205,536.96x = 63,295,494,350,314,048
  5. Step 5: Solve for x
    x = 63,295,494,350,314,048/290,205,536.96
  6. Step 6: Final answer
    x = 218,105,743.31

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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.