Home / 199,344,823.80-299,017,235.70-196,657,438.20

Finding the Fourth Proportional to 199,344,823.80, 299,017,235.70 and 196,657,438.20

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Solution

The fourth proportional to 199,344,823.80, 299,017,235.70 and 196,657,438.20 is: 294,986,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,344,823.80 : 299,017,235.70 = 196,657,438.20 : x
  2. Step 2: Convert to fraction form
    199,344,823.80/299,017,235.70 = 196,657,438.20/x
  3. Step 3: Cross multiply
    199,344,823.80x = 299,017,235.70 × 196,657,438.20
  4. Step 4: Simplify right side
    199,344,823.80x = 58,803,963,550,407,576
  5. Step 5: Solve for x
    x = 58,803,963,550,407,576/199,344,823.80
  6. Step 6: Final answer
    x = 294,986,157.30

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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.