Home / 86,987,548.20-130,523,312.70-61,373,404.20

Finding the Fourth Proportional to 86,987,548.20, 130,523,312.70 and 61,373,404.20

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Solution

The fourth proportional to 86,987,548.20, 130,523,312.70 and 61,373,404.20 is: 92,089,732.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,987,548.20 : 130,523,312.70 = 61,373,404.20 : x
  2. Step 2: Convert to fraction form
    86,987,548.20/130,523,312.70 = 61,373,404.20/x
  3. Step 3: Cross multiply
    86,987,548.20x = 130,523,312.70 × 61,373,404.20
  4. Step 4: Simplify right side
    86,987,548.20x = 8,010,660,027,860,094
  5. Step 5: Solve for x
    x = 8,010,660,027,860,094/86,987,548.20
  6. Step 6: Final answer
    x = 92,089,732.31

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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.