Home / 76,664,586.80-114,996,880.20-46,431,498.80

Finding the Fourth Proportional to 76,664,586.80, 114,996,880.20 and 46,431,498.80

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Solution

The fourth proportional to 76,664,586.80, 114,996,880.20 and 46,431,498.80 is: 69,647,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,664,586.80 : 114,996,880.20 = 46,431,498.80 : x
  2. Step 2: Convert to fraction form
    76,664,586.80/114,996,880.20 = 46,431,498.80/x
  3. Step 3: Cross multiply
    76,664,586.80x = 114,996,880.20 × 46,431,498.80
  4. Step 4: Simplify right side
    76,664,586.80x = 5,339,477,505,010,044
  5. Step 5: Solve for x
    x = 5,339,477,505,010,044/76,664,586.80
  6. Step 6: Final answer
    x = 69,647,248.20

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Double scale
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1.5x scale

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.