Home / 123,925,518.54-171,016,271.80-68,169,741.41

Finding the Fourth Proportional to 123,925,518.54, 171,016,271.80 and 68,169,741.41

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Solution

The fourth proportional to 123,925,518.54, 171,016,271.80 and 68,169,741.41 is: 94,073,723.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,925,518.54 : 171,016,271.80 = 68,169,741.41 : x
  2. Step 2: Convert to fraction form
    123,925,518.54/171,016,271.80 = 68,169,741.41/x
  3. Step 3: Cross multiply
    123,925,518.54x = 171,016,271.80 × 68,169,741.41
  4. Step 4: Simplify right side
    123,925,518.54x = 11,658,135,025,765,392
  5. Step 5: Solve for x
    x = 11,658,135,025,765,392/123,925,518.54
  6. Step 6: Final answer
    x = 94,073,723.98

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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.