Home / 262,857,136.50-393,478,570.53-165,356,326.80

Finding the Fourth Proportional to 262,857,136.50, 393,478,570.53 and 165,356,326.80

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Solution

The fourth proportional to 262,857,136.50, 393,478,570.53 and 165,356,326.80 is: 247,526,743.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,857,136.50 : 393,478,570.53 = 165,356,326.80 : x
  2. Step 2: Convert to fraction form
    262,857,136.50/393,478,570.53 = 165,356,326.80/x
  3. Step 3: Cross multiply
    262,857,136.50x = 393,478,570.53 × 165,356,326.80
  4. Step 4: Simplify right side
    262,857,136.50x = 65,064,171,097,355,528
  5. Step 5: Solve for x
    x = 65,064,171,097,355,528/262,857,136.50
  6. Step 6: Final answer
    x = 247,526,743.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.