Home / 74,780,246.58-112,176,043.58-20,192,037.67

Finding the Fourth Proportional to 74,780,246.58, 112,176,043.58 and 20,192,037.67

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Solution

The fourth proportional to 74,780,246.58, 112,176,043.58 and 20,192,037.67 is: 30,289,588.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,780,246.58 : 112,176,043.58 = 20,192,037.67 : x
  2. Step 2: Convert to fraction form
    74,780,246.58/112,176,043.58 = 20,192,037.67/x
  3. Step 3: Cross multiply
    74,780,246.58x = 112,176,043.58 × 20,192,037.67
  4. Step 4: Simplify right side
    74,780,246.58x = 2,265,062,897,638,922
  5. Step 5: Solve for x
    x = 2,265,062,897,638,922/74,780,246.58
  6. Step 6: Final answer
    x = 30,289,588.51

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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.