Home / 282,939,789.60-423,559,378.80-167,865,098.40

Finding the Fourth Proportional to 282,939,789.60, 423,559,378.80 and 167,865,098.40

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Solution

The fourth proportional to 282,939,789.60, 423,559,378.80 and 167,865,098.40 is: 251,293,170.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,939,789.60 : 423,559,378.80 = 167,865,098.40 : x
  2. Step 2: Convert to fraction form
    282,939,789.60/423,559,378.80 = 167,865,098.40/x
  3. Step 3: Cross multiply
    282,939,789.60x = 423,559,378.80 × 167,865,098.40
  4. Step 4: Simplify right side
    282,939,789.60x = 71,100,836,800,504,880
  5. Step 5: Solve for x
    x = 71,100,836,800,504,880/282,939,789.60
  6. Step 6: Final answer
    x = 251,293,170.54

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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.