Home / 45,422,975.40-68,134,463.10-40,943,999.40

Finding the Fourth Proportional to 45,422,975.40, 68,134,463.10 and 40,943,999.40

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Solution

The fourth proportional to 45,422,975.40, 68,134,463.10 and 40,943,999.40 is: 61,415,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,422,975.40 : 68,134,463.10 = 40,943,999.40 : x
  2. Step 2: Convert to fraction form
    45,422,975.40/68,134,463.10 = 40,943,999.40/x
  3. Step 3: Cross multiply
    45,422,975.40x = 68,134,463.10 × 40,943,999.40
  4. Step 4: Simplify right side
    45,422,975.40x = 2,789,697,416,285,722
  5. Step 5: Solve for x
    x = 2,789,697,416,285,722/45,422,975.40
  6. Step 6: Final answer
    x = 61,415,999.10

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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.