Home / 112,645,973.98-169,040,038.47-47,949,673.42

Finding the Fourth Proportional to 112,645,973.98, 169,040,038.47 and 47,949,673.42

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Solution

The fourth proportional to 112,645,973.98, 169,040,038.47 and 47,949,673.42 is: 71,954,765.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,645,973.98 : 169,040,038.47 = 47,949,673.42 : x
  2. Step 2: Convert to fraction form
    112,645,973.98/169,040,038.47 = 47,949,673.42/x
  3. Step 3: Cross multiply
    112,645,973.98x = 169,040,038.47 × 47,949,673.42
  4. Step 4: Simplify right side
    112,645,973.98x = 8,105,414,639,540,737
  5. Step 5: Solve for x
    x = 8,105,414,639,540,737/112,645,973.98
  6. Step 6: Final answer
    x = 71,954,765.48

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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.