Home / 80,482,804.85-111,090,355.97-47,001,315.37

Finding the Fourth Proportional to 80,482,804.85, 111,090,355.97 and 47,001,315.37

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Solution

The fourth proportional to 80,482,804.85, 111,090,355.97 and 47,001,315.37 is: 64,875,880.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,482,804.85 : 111,090,355.97 = 47,001,315.37 : x
  2. Step 2: Convert to fraction form
    80,482,804.85/111,090,355.97 = 47,001,315.37/x
  3. Step 3: Cross multiply
    80,482,804.85x = 111,090,355.97 × 47,001,315.37
  4. Step 4: Simplify right side
    80,482,804.85x = 5,221,392,855,511,532
  5. Step 5: Solve for x
    x = 5,221,392,855,511,532/80,482,804.85
  6. Step 6: Final answer
    x = 64,875,880.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.