Home / 86,987,551.20-130,523,317.20-61,373,407.20

Finding the Fourth Proportional to 86,987,551.20, 130,523,317.20 and 61,373,407.20

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Solution

The fourth proportional to 86,987,551.20, 130,523,317.20 and 61,373,407.20 is: 92,089,736.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,987,551.20 : 130,523,317.20 = 61,373,407.20 : x
  2. Step 2: Convert to fraction form
    86,987,551.20/130,523,317.20 = 61,373,407.20/x
  3. Step 3: Cross multiply
    86,987,551.20x = 130,523,317.20 × 61,373,407.20
  4. Step 4: Simplify right side
    86,987,551.20x = 8,010,660,695,610,364
  5. Step 5: Solve for x
    x = 8,010,660,695,610,364/86,987,551.20
  6. Step 6: Final answer
    x = 92,089,736.81

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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.