Home / 290,756,611.86-401,245,371.80-158,600,488.38

Finding the Fourth Proportional to 290,756,611.86, 401,245,371.80 and 158,600,488.38

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Solution

The fourth proportional to 290,756,611.86, 401,245,371.80 and 158,600,488.38 is: 218,869,354.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,756,611.86 : 401,245,371.80 = 158,600,488.38 : x
  2. Step 2: Convert to fraction form
    290,756,611.86/401,245,371.80 = 158,600,488.38/x
  3. Step 3: Cross multiply
    290,756,611.86x = 401,245,371.80 × 158,600,488.38
  4. Step 4: Simplify right side
    290,756,611.86x = 63,637,711,927,694,680
  5. Step 5: Solve for x
    x = 63,637,711,927,694,680/290,756,611.86
  6. Step 6: Final answer
    x = 218,869,354.41

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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.