Home / 290,704,636.54-436,121,769.36-83,426,889.19

Finding the Fourth Proportional to 290,704,636.54, 436,121,769.36 and 83,426,889.19

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Solution

The fourth proportional to 290,704,636.54, 436,121,769.36 and 83,426,889.19 is: 125,158,934.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,704,636.54 : 436,121,769.36 = 83,426,889.19 : x
  2. Step 2: Convert to fraction form
    290,704,636.54/436,121,769.36 = 83,426,889.19/x
  3. Step 3: Cross multiply
    290,704,636.54x = 436,121,769.36 × 83,426,889.19
  4. Step 4: Simplify right side
    290,704,636.54x = 36,384,282,525,743,456
  5. Step 5: Solve for x
    x = 36,384,282,525,743,456/290,704,636.54
  6. Step 6: Final answer
    x = 125,158,934.37

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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.