Home / 171,859,453.56-257,782,189.14-42,463,805.22

Finding the Fourth Proportional to 171,859,453.56, 257,782,189.14 and 42,463,805.22

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Solution

The fourth proportional to 171,859,453.56, 257,782,189.14 and 42,463,805.22 is: 63,693,980.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,859,453.56 : 257,782,189.14 = 42,463,805.22 : x
  2. Step 2: Convert to fraction form
    171,859,453.56/257,782,189.14 = 42,463,805.22/x
  3. Step 3: Cross multiply
    171,859,453.56x = 257,782,189.14 × 42,463,805.22
  4. Step 4: Simplify right side
    171,859,453.56x = 10,946,412,668,826,158
  5. Step 5: Solve for x
    x = 10,946,412,668,826,158/171,859,453.56
  6. Step 6: Final answer
    x = 63,693,980.41

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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.