Home / 290,205,528.96-400,480,841.91-158,048,732.37

Finding the Fourth Proportional to 290,205,528.96, 400,480,841.91 and 158,048,732.37

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Solution

The fourth proportional to 290,205,528.96, 400,480,841.91 and 158,048,732.37 is: 218,105,732.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,205,528.96 : 400,480,841.91 = 158,048,732.37 : x
  2. Step 2: Convert to fraction form
    290,205,528.96/400,480,841.91 = 158,048,732.37/x
  3. Step 3: Cross multiply
    290,205,528.96x = 400,480,841.91 × 158,048,732.37
  4. Step 4: Simplify right side
    290,205,528.96x = 63,295,489,402,345,872
  5. Step 5: Solve for x
    x = 63,295,489,402,345,872/290,205,528.96
  6. Step 6: Final answer
    x = 218,105,732.27

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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.