Home / 203,980,826.88-306,030,930.84-65,803,775.76

Finding the Fourth Proportional to 203,980,826.88, 306,030,930.84 and 65,803,775.76

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Solution

The fourth proportional to 203,980,826.88, 306,030,930.84 and 65,803,775.76 is: 98,724,919.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,980,826.88 : 306,030,930.84 = 65,803,775.76 : x
  2. Step 2: Convert to fraction form
    203,980,826.88/306,030,930.84 = 65,803,775.76/x
  3. Step 3: Cross multiply
    203,980,826.88x = 306,030,930.84 × 65,803,775.76
  4. Step 4: Simplify right side
    203,980,826.88x = 20,137,990,748,619,428
  5. Step 5: Solve for x
    x = 20,137,990,748,619,428/203,980,826.88
  6. Step 6: Final answer
    x = 98,724,919.67

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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.