Home / 47,479,815.20-71,219,722.80-46,975,930.40

Finding the Fourth Proportional to 47,479,815.20, 71,219,722.80 and 46,975,930.40

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Solution

The fourth proportional to 47,479,815.20, 71,219,722.80 and 46,975,930.40 is: 70,463,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,479,815.20 : 71,219,722.80 = 46,975,930.40 : x
  2. Step 2: Convert to fraction form
    47,479,815.20/71,219,722.80 = 46,975,930.40/x
  3. Step 3: Cross multiply
    47,479,815.20x = 71,219,722.80 × 46,975,930.40
  4. Step 4: Simplify right side
    47,479,815.20x = 3,345,612,741,360,093
  5. Step 5: Solve for x
    x = 3,345,612,741,360,093/47,479,815.20
  6. Step 6: Final answer
    x = 70,463,895.60

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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.