Home / 222,732,318.16-307,407,541.08-129,912,823.36

Finding the Fourth Proportional to 222,732,318.16, 307,407,541.08 and 129,912,823.36

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Solution

The fourth proportional to 222,732,318.16, 307,407,541.08 and 129,912,823.36 is: 179,301,243.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,732,318.16 : 307,407,541.08 = 129,912,823.36 : x
  2. Step 2: Convert to fraction form
    222,732,318.16/307,407,541.08 = 129,912,823.36/x
  3. Step 3: Cross multiply
    222,732,318.16x = 307,407,541.08 × 129,912,823.36
  4. Step 4: Simplify right side
    222,732,318.16x = 39,936,181,583,857,984
  5. Step 5: Solve for x
    x = 39,936,181,583,857,984/222,732,318.16
  6. Step 6: Final answer
    x = 179,301,243.37

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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.