Home / 45,343,317.20-68,014,975.80-43,579,720.40

Finding the Fourth Proportional to 45,343,317.20, 68,014,975.80 and 43,579,720.40

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Solution

The fourth proportional to 45,343,317.20, 68,014,975.80 and 43,579,720.40 is: 65,369,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,343,317.20 : 68,014,975.80 = 43,579,720.40 : x
  2. Step 2: Convert to fraction form
    45,343,317.20/68,014,975.80 = 43,579,720.40/x
  3. Step 3: Cross multiply
    45,343,317.20x = 68,014,975.80 × 43,579,720.40
  4. Step 4: Simplify right side
    45,343,317.20x = 2,964,073,628,376,766
  5. Step 5: Solve for x
    x = 2,964,073,628,376,766/45,343,317.20
  6. Step 6: Final answer
    x = 65,369,580.60

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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.