Home / 169,825,042.12-254,688,304.24-66,171,127.36

Finding the Fourth Proportional to 169,825,042.12, 254,688,304.24 and 66,171,127.36

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Solution

The fourth proportional to 169,825,042.12, 254,688,304.24 and 66,171,127.36 is: 99,237,497.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,825,042.12 : 254,688,304.24 = 66,171,127.36 : x
  2. Step 2: Convert to fraction form
    169,825,042.12/254,688,304.24 = 66,171,127.36/x
  3. Step 3: Cross multiply
    169,825,042.12x = 254,688,304.24 × 66,171,127.36
  4. Step 4: Simplify right side
    169,825,042.12x = 16,853,012,216,967,468
  5. Step 5: Solve for x
    x = 16,853,012,216,967,468/169,825,042.12
  6. Step 6: Final answer
    x = 99,237,497.64

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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.