Home / 130,605,024.40-195,907,536.60-39,728,467.60

Finding the Fourth Proportional to 130,605,024.40, 195,907,536.60 and 39,728,467.60

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Solution

The fourth proportional to 130,605,024.40, 195,907,536.60 and 39,728,467.60 is: 59,592,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,605,024.40 : 195,907,536.60 = 39,728,467.60 : x
  2. Step 2: Convert to fraction form
    130,605,024.40/195,907,536.60 = 39,728,467.60/x
  3. Step 3: Cross multiply
    130,605,024.40x = 195,907,536.60 × 39,728,467.60
  4. Step 4: Simplify right side
    130,605,024.40x = 7,783,106,220,408,914
  5. Step 5: Solve for x
    x = 7,783,106,220,408,914/130,605,024.40
  6. Step 6: Final answer
    x = 59,592,701.40

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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.