Home / 290,756,611.11-401,245,370.76-158,600,487.63

Finding the Fourth Proportional to 290,756,611.11, 401,245,370.76 and 158,600,487.63

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Solution

The fourth proportional to 290,756,611.11, 401,245,370.76 and 158,600,487.63 is: 218,869,353.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,756,611.11 : 401,245,370.76 = 158,600,487.63 : x
  2. Step 2: Convert to fraction form
    290,756,611.11/401,245,370.76 = 158,600,487.63/x
  3. Step 3: Cross multiply
    290,756,611.11x = 401,245,370.76 × 158,600,487.63
  4. Step 4: Simplify right side
    290,756,611.11x = 63,637,711,461,816,144
  5. Step 5: Solve for x
    x = 63,637,711,461,816,144/290,756,611.11
  6. Step 6: Final answer
    x = 218,869,353.37

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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.