Home / 257,782,791.69-355,747,951.22-158,720,688.36

Finding the Fourth Proportional to 257,782,791.69, 355,747,951.22 and 158,720,688.36

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Solution

The fourth proportional to 257,782,791.69, 355,747,951.22 and 158,720,688.36 is: 219,039,290.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,782,791.69 : 355,747,951.22 = 158,720,688.36 : x
  2. Step 2: Convert to fraction form
    257,782,791.69/355,747,951.22 = 158,720,688.36/x
  3. Step 3: Cross multiply
    257,782,791.69x = 355,747,951.22 × 158,720,688.36
  4. Step 4: Simplify right side
    257,782,791.69x = 56,464,559,699,504,496
  5. Step 5: Solve for x
    x = 56,464,559,699,504,496/257,782,791.69
  6. Step 6: Final answer
    x = 219,039,290.13

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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.