Home / 314,806,662.80-472,270,519.43-120,702,940.55

Finding the Fourth Proportional to 314,806,662.80, 472,270,519.43 and 120,702,940.55

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Solution

The fourth proportional to 314,806,662.80, 472,270,519.43 and 120,702,940.55 is: 181,077,617.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,806,662.80 : 472,270,519.43 = 120,702,940.55 : x
  2. Step 2: Convert to fraction form
    314,806,662.80/472,270,519.43 = 120,702,940.55/x
  3. Step 3: Cross multiply
    314,806,662.80x = 472,270,519.43 × 120,702,940.55
  4. Step 4: Simplify right side
    314,806,662.80x = 57,004,440,430,276,912
  5. Step 5: Solve for x
    x = 57,004,440,430,276,912/314,806,662.80
  6. Step 6: Final answer
    x = 181,077,617.36

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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.