Home / 140,093,729.40-209,573,723.70-123,087,617.40

Finding the Fourth Proportional to 140,093,729.40, 209,573,723.70 and 123,087,617.40

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Solution

The fourth proportional to 140,093,729.40, 209,573,723.70 and 123,087,617.40 is: 184,133,368.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,093,729.40 : 209,573,723.70 = 123,087,617.40 : x
  2. Step 2: Convert to fraction form
    140,093,729.40/209,573,723.70 = 123,087,617.40/x
  3. Step 3: Cross multiply
    140,093,729.40x = 209,573,723.70 × 123,087,617.40
  4. Step 4: Simplify right side
    140,093,729.40x = 25,795,930,319,878,912
  5. Step 5: Solve for x
    x = 25,795,930,319,878,912/140,093,729.40
  6. Step 6: Final answer
    x = 184,133,368.64

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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.