Home / 144,093,180.48-198,848,303.52-78,013,660.74

Finding the Fourth Proportional to 144,093,180.48, 198,848,303.52 and 78,013,660.74

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Solution

The fourth proportional to 144,093,180.48, 198,848,303.52 and 78,013,660.74 is: 107,658,697.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,093,180.48 : 198,848,303.52 = 78,013,660.74 : x
  2. Step 2: Convert to fraction form
    144,093,180.48/198,848,303.52 = 78,013,660.74/x
  3. Step 3: Cross multiply
    144,093,180.48x = 198,848,303.52 × 78,013,660.74
  4. Step 4: Simplify right side
    144,093,180.48x = 15,512,884,089,533,828
  5. Step 5: Solve for x
    x = 15,512,884,089,533,828/144,093,180.48
  6. Step 6: Final answer
    x = 107,658,697.23

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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.