Home / 144,093,491.59-198,846,644.60-78,013,461.55

Finding the Fourth Proportional to 144,093,491.59, 198,846,644.60 and 78,013,461.55

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Solution

The fourth proportional to 144,093,491.59, 198,846,644.60 and 78,013,461.55 is: 107,657,291.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,093,491.59 : 198,846,644.60 = 78,013,461.55 : x
  2. Step 2: Convert to fraction form
    144,093,491.59/198,846,644.60 = 78,013,461.55/x
  3. Step 3: Cross multiply
    144,093,491.59x = 198,846,644.60 × 78,013,461.55
  4. Step 4: Simplify right side
    144,093,491.59x = 15,512,715,062,546,532
  5. Step 5: Solve for x
    x = 15,512,715,062,546,532/144,093,491.59
  6. Step 6: Final answer
    x = 107,657,291.75

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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.