Home / 86,987,288.70-130,522,923.45-61,373,144.70

Finding the Fourth Proportional to 86,987,288.70, 130,522,923.45 and 61,373,144.70

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Solution

The fourth proportional to 86,987,288.70, 130,522,923.45 and 61,373,144.70 is: 92,089,343.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,987,288.70 : 130,522,923.45 = 61,373,144.70 : x
  2. Step 2: Convert to fraction form
    86,987,288.70/130,522,923.45 = 61,373,144.70/x
  3. Step 3: Cross multiply
    86,987,288.70x = 130,522,923.45 × 61,373,144.70
  4. Step 4: Simplify right side
    86,987,288.70x = 8,010,602,267,563,874
  5. Step 5: Solve for x
    x = 8,010,602,267,563,874/86,987,288.70
  6. Step 6: Final answer
    x = 92,089,343.02

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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.