Home / 290,343,342.58-400,673,592.57-159,963,150.58

Finding the Fourth Proportional to 290,343,342.58, 400,673,592.57 and 159,963,150.58

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Solution

The fourth proportional to 290,343,342.58, 400,673,592.57 and 159,963,150.58 is: 220,749,026.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,343,342.58 : 400,673,592.57 = 159,963,150.58 : x
  2. Step 2: Convert to fraction form
    290,343,342.58/400,673,592.57 = 159,963,150.58/x
  3. Step 3: Cross multiply
    290,343,342.58x = 400,673,592.57 × 159,963,150.58
  4. Step 4: Simplify right side
    290,343,342.58x = 64,093,010,221,704,480
  5. Step 5: Solve for x
    x = 64,093,010,221,704,480/290,343,342.58
  6. Step 6: Final answer
    x = 220,749,026.49

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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.