Home / 288,687,506.40-432,393,530.40-116,075,469.60

Finding the Fourth Proportional to 288,687,506.40, 432,393,530.40 and 116,075,469.60

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Solution

The fourth proportional to 288,687,506.40, 432,393,530.40 and 116,075,469.60 is: 173,856,786.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,687,506.40 : 432,393,530.40 = 116,075,469.60 : x
  2. Step 2: Convert to fraction form
    288,687,506.40/432,393,530.40 = 116,075,469.60/x
  3. Step 3: Cross multiply
    288,687,506.40x = 432,393,530.40 × 116,075,469.60
  4. Step 4: Simplify right side
    288,687,506.40x = 50,190,282,093,181,872
  5. Step 5: Solve for x
    x = 50,190,282,093,181,872/288,687,506.40
  6. Step 6: Final answer
    x = 173,856,786.25

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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.