Home / 87,408,090.40-131,112,135.60-53,395,866.40

Finding the Fourth Proportional to 87,408,090.40, 131,112,135.60 and 53,395,866.40

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Solution

The fourth proportional to 87,408,090.40, 131,112,135.60 and 53,395,866.40 is: 80,093,799.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,408,090.40 : 131,112,135.60 = 53,395,866.40 : x
  2. Step 2: Convert to fraction form
    87,408,090.40/131,112,135.60 = 53,395,866.40/x
  3. Step 3: Cross multiply
    87,408,090.40x = 131,112,135.60 × 53,395,866.40
  4. Step 4: Simplify right side
    87,408,090.40x = 7,000,846,075,916,283
  5. Step 5: Solve for x
    x = 7,000,846,075,916,283/87,408,090.40
  6. Step 6: Final answer
    x = 80,093,799.60

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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.