Home / 153,232,932.44-211,465,912.83-83,622,797.30

Finding the Fourth Proportional to 153,232,932.44, 211,465,912.83 and 83,622,797.30

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Solution

The fourth proportional to 153,232,932.44, 211,465,912.83 and 83,622,797.30 is: 115,401,897.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,232,932.44 : 211,465,912.83 = 83,622,797.30 : x
  2. Step 2: Convert to fraction form
    153,232,932.44/211,465,912.83 = 83,622,797.30/x
  3. Step 3: Cross multiply
    153,232,932.44x = 211,465,912.83 × 83,622,797.30
  4. Step 4: Simplify right side
    153,232,932.44x = 17,683,371,164,442,560
  5. Step 5: Solve for x
    x = 17,683,371,164,442,560/153,232,932.44
  6. Step 6: Final answer
    x = 115,401,897.51

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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.