Home / 74,780,245.58-112,176,042.08-20,192,036.67

Finding the Fourth Proportional to 74,780,245.58, 112,176,042.08 and 20,192,036.67

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Solution

The fourth proportional to 74,780,245.58, 112,176,042.08 and 20,192,036.67 is: 30,289,587.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,780,245.58 : 112,176,042.08 = 20,192,036.67 : x
  2. Step 2: Convert to fraction form
    74,780,245.58/112,176,042.08 = 20,192,036.67/x
  3. Step 3: Cross multiply
    74,780,245.58x = 112,176,042.08 × 20,192,036.67
  4. Step 4: Simplify right side
    74,780,245.58x = 2,265,062,755,073,863
  5. Step 5: Solve for x
    x = 2,265,062,755,073,863/74,780,245.58
  6. Step 6: Final answer
    x = 30,289,587.01

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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.