Home / 51,463,621.89-77,196,355.43-18,697,460.99

Finding the Fourth Proportional to 51,463,621.89, 77,196,355.43 and 18,697,460.99

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Solution

The fourth proportional to 51,463,621.89, 77,196,355.43 and 18,697,460.99 is: 28,046,526.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,463,621.89 : 77,196,355.43 = 18,697,460.99 : x
  2. Step 2: Convert to fraction form
    51,463,621.89/77,196,355.43 = 18,697,460.99/x
  3. Step 3: Cross multiply
    51,463,621.89x = 77,196,355.43 × 18,697,460.99
  4. Step 4: Simplify right side
    51,463,621.89x = 1,443,375,843,743,130.50
  5. Step 5: Solve for x
    x = 1,443,375,843,743,130.50/51,463,621.89
  6. Step 6: Final answer
    x = 28,046,526.67

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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.