Home / 294,869,342.40-442,304,013.60-131,106,782.40

Finding the Fourth Proportional to 294,869,342.40, 442,304,013.60 and 131,106,782.40

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Solution

The fourth proportional to 294,869,342.40, 442,304,013.60 and 131,106,782.40 is: 196,660,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,869,342.40 : 442,304,013.60 = 131,106,782.40 : x
  2. Step 2: Convert to fraction form
    294,869,342.40/442,304,013.60 = 131,106,782.40/x
  3. Step 3: Cross multiply
    294,869,342.40x = 442,304,013.60 × 131,106,782.40
  4. Step 4: Simplify right side
    294,869,342.40x = 57,989,056,065,701,848
  5. Step 5: Solve for x
    x = 57,989,056,065,701,848/294,869,342.40
  6. Step 6: Final answer
    x = 196,660,173.60

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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.