Home / 109,137,818.94-163,708,499.88-31,415,753.68

Finding the Fourth Proportional to 109,137,818.94, 163,708,499.88 and 31,415,753.68

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Solution

The fourth proportional to 109,137,818.94, 163,708,499.88 and 31,415,753.68 is: 47,124,140.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,137,818.94 : 163,708,499.88 = 31,415,753.68 : x
  2. Step 2: Convert to fraction form
    109,137,818.94/163,708,499.88 = 31,415,753.68/x
  3. Step 3: Cross multiply
    109,137,818.94x = 163,708,499.88 × 31,415,753.68
  4. Step 4: Simplify right side
    109,137,818.94x = 5,143,025,907,552,389
  5. Step 5: Solve for x
    x = 5,143,025,907,552,389/109,137,818.94
  6. Step 6: Final answer
    x = 47,124,140.44

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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.