Home / 219,433,271.40-329,149,907.10-199,344,801.60

Finding the Fourth Proportional to 219,433,271.40, 329,149,907.10 and 199,344,801.60

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Solution

The fourth proportional to 219,433,271.40, 329,149,907.10 and 199,344,801.60 is: 299,017,202.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,433,271.40 : 329,149,907.10 = 199,344,801.60 : x
  2. Step 2: Convert to fraction form
    219,433,271.40/329,149,907.10 = 199,344,801.60/x
  3. Step 3: Cross multiply
    219,433,271.40x = 329,149,907.10 × 199,344,801.60
  4. Step 4: Simplify right side
    219,433,271.40x = 65,614,322,927,507,936
  5. Step 5: Solve for x
    x = 65,614,322,927,507,936/219,433,271.40
  6. Step 6: Final answer
    x = 299,017,202.40

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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.