Home / 30,339,431.55-45,515,445.93-10,144,148.67

Finding the Fourth Proportional to 30,339,431.55, 45,515,445.93 and 10,144,148.67

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Solution

The fourth proportional to 30,339,431.55, 45,515,445.93 and 10,144,148.67 is: 15,218,328.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,339,431.55 : 45,515,445.93 = 10,144,148.67 : x
  2. Step 2: Convert to fraction form
    30,339,431.55/45,515,445.93 = 10,144,148.67/x
  3. Step 3: Cross multiply
    30,339,431.55x = 45,515,445.93 × 10,144,148.67
  4. Step 4: Simplify right side
    30,339,431.55x = 461,715,450,295,266.44
  5. Step 5: Solve for x
    x = 461,715,450,295,266.44/30,339,431.55
  6. Step 6: Final answer
    x = 15,218,328.98

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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.