Home / 56,984,993.53-85,478,146.94-20,596,147.45

Finding the Fourth Proportional to 56,984,993.53, 85,478,146.94 and 20,596,147.45

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Solution

The fourth proportional to 56,984,993.53, 85,478,146.94 and 20,596,147.45 is: 30,894,458.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,984,993.53 : 85,478,146.94 = 20,596,147.45 : x
  2. Step 2: Convert to fraction form
    56,984,993.53/85,478,146.94 = 20,596,147.45/x
  3. Step 3: Cross multiply
    56,984,993.53x = 85,478,146.94 × 20,596,147.45
  4. Step 4: Simplify right side
    56,984,993.53x = 1,760,520,518,026,025.50
  5. Step 5: Solve for x
    x = 1,760,520,518,026,025.50/56,984,993.53
  6. Step 6: Final answer
    x = 30,894,458.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.