Home / 301,619,969.64-452,429,286-80,291,359.67

Finding the Fourth Proportional to 301,619,969.64, 452,429,286 and 80,291,359.67

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Solution

The fourth proportional to 301,619,969.64, 452,429,286 and 80,291,359.67 is: 120,436,861.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,619,969.64 : 452,429,286 = 80,291,359.67 : x
  2. Step 2: Convert to fraction form
    301,619,969.64/452,429,286 = 80,291,359.67/x
  3. Step 3: Cross multiply
    301,619,969.64x = 452,429,286 × 80,291,359.67
  4. Step 4: Simplify right side
    301,619,969.64x = 36,326,162,525,205,152
  5. Step 5: Solve for x
    x = 36,326,162,525,205,152/301,619,969.64
  6. Step 6: Final answer
    x = 120,436,861.55

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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.