Home / 109,137,815.94-163,708,495.38-31,415,750.67

Finding the Fourth Proportional to 109,137,815.94, 163,708,495.38 and 31,415,750.67

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Solution

The fourth proportional to 109,137,815.94, 163,708,495.38 and 31,415,750.67 is: 47,124,135.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,137,815.94 : 163,708,495.38 = 31,415,750.67 : x
  2. Step 2: Convert to fraction form
    109,137,815.94/163,708,495.38 = 31,415,750.67/x
  3. Step 3: Cross multiply
    109,137,815.94x = 163,708,495.38 × 31,415,750.67
  4. Step 4: Simplify right side
    109,137,815.94x = 5,143,025,273,261,848
  5. Step 5: Solve for x
    x = 5,143,025,273,261,848/109,137,815.94
  6. Step 6: Final answer
    x = 47,124,135.93

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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.