Home / 54,453,105.41-81,679,362.20-31,409,102.21

Finding the Fourth Proportional to 54,453,105.41, 81,679,362.20 and 31,409,102.21

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Solution

The fourth proportional to 54,453,105.41, 81,679,362.20 and 31,409,102.21 is: 47,113,482.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,453,105.41 : 81,679,362.20 = 31,409,102.21 : x
  2. Step 2: Convert to fraction form
    54,453,105.41/81,679,362.20 = 31,409,102.21/x
  3. Step 3: Cross multiply
    54,453,105.41x = 81,679,362.20 × 31,409,102.21
  4. Step 4: Simplify right side
    54,453,105.41x = 2,565,475,435,630,365
  5. Step 5: Solve for x
    x = 2,565,475,435,630,365/54,453,105.41
  6. Step 6: Final answer
    x = 47,113,482.63

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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.