Home / 87,069,028.07-130,603,522.67-31,741,010.98

Finding the Fourth Proportional to 87,069,028.07, 130,603,522.67 and 31,741,010.98

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Solution

The fourth proportional to 87,069,028.07, 130,603,522.67 and 31,741,010.98 is: 47,611,509.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,069,028.07 : 130,603,522.67 = 31,741,010.98 : x
  2. Step 2: Convert to fraction form
    87,069,028.07/130,603,522.67 = 31,741,010.98/x
  3. Step 3: Cross multiply
    87,069,028.07x = 130,603,522.67 × 31,741,010.98
  4. Step 4: Simplify right side
    87,069,028.07x = 4,145,487,847,463,739.50
  5. Step 5: Solve for x
    x = 4,145,487,847,463,739.50/87,069,028.07
  6. Step 6: Final answer
    x = 47,611,509.39

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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.