Home / 222,732,319.16-307,407,542.46-129,912,824.36

Finding the Fourth Proportional to 222,732,319.16, 307,407,542.46 and 129,912,824.36

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Solution

The fourth proportional to 222,732,319.16, 307,407,542.46 and 129,912,824.36 is: 179,301,244.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,732,319.16 : 307,407,542.46 = 129,912,824.36 : x
  2. Step 2: Convert to fraction form
    222,732,319.16/307,407,542.46 = 129,912,824.36/x
  3. Step 3: Cross multiply
    222,732,319.16x = 307,407,542.46 × 129,912,824.36
  4. Step 4: Simplify right side
    222,732,319.16x = 39,936,182,070,545,216
  5. Step 5: Solve for x
    x = 39,936,182,070,545,216/222,732,319.16
  6. Step 6: Final answer
    x = 179,301,244.75

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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.