Home / 292,192,128.81-403,217,420.22-166,742,076.20

Finding the Fourth Proportional to 292,192,128.81, 403,217,420.22 and 166,742,076.20

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Solution

The fourth proportional to 292,192,128.81, 403,217,420.22 and 166,742,076.20 is: 230,099,661.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,192,128.81 : 403,217,420.22 = 166,742,076.20 : x
  2. Step 2: Convert to fraction form
    292,192,128.81/403,217,420.22 = 166,742,076.20/x
  3. Step 3: Cross multiply
    292,192,128.81x = 403,217,420.22 × 166,742,076.20
  4. Step 4: Simplify right side
    292,192,128.81x = 67,233,309,805,474,576
  5. Step 5: Solve for x
    x = 67,233,309,805,474,576/292,192,128.81
  6. Step 6: Final answer
    x = 230,099,661.07

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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.