Home / 199,590,643.80-299,385,965.70-113,295,706.20

Finding the Fourth Proportional to 199,590,643.80, 299,385,965.70 and 113,295,706.20

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Solution

The fourth proportional to 199,590,643.80, 299,385,965.70 and 113,295,706.20 is: 169,943,559.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,590,643.80 : 299,385,965.70 = 113,295,706.20 : x
  2. Step 2: Convert to fraction form
    199,590,643.80/299,385,965.70 = 113,295,706.20/x
  3. Step 3: Cross multiply
    199,590,643.80x = 299,385,965.70 × 113,295,706.20
  4. Step 4: Simplify right side
    199,590,643.80x = 33,919,144,410,350,476
  5. Step 5: Solve for x
    x = 33,919,144,410,350,476/199,590,643.80
  6. Step 6: Final answer
    x = 169,943,559.30

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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.