Home / 261,106,526.26-360,328,905.78-142,030,146.60

Finding the Fourth Proportional to 261,106,526.26, 360,328,905.78 and 142,030,146.60

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Solution

The fourth proportional to 261,106,526.26, 360,328,905.78 and 142,030,146.60 is: 196,002,635.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,106,526.26 : 360,328,905.78 = 142,030,146.60 : x
  2. Step 2: Convert to fraction form
    261,106,526.26/360,328,905.78 = 142,030,146.60/x
  3. Step 3: Cross multiply
    261,106,526.26x = 360,328,905.78 × 142,030,146.60
  4. Step 4: Simplify right side
    261,106,526.26x = 51,177,567,311,618,376
  5. Step 5: Solve for x
    x = 51,177,567,311,618,376/261,106,526.26
  6. Step 6: Final answer
    x = 196,002,635.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.