Home / 212,657,491.64-318,986,237.64-51,099,427.64

Finding the Fourth Proportional to 212,657,491.64, 318,986,237.64 and 51,099,427.64

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Solution

The fourth proportional to 212,657,491.64, 318,986,237.64 and 51,099,427.64 is: 76,649,141.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,657,491.64 : 318,986,237.64 = 51,099,427.64 : x
  2. Step 2: Convert to fraction form
    212,657,491.64/318,986,237.64 = 51,099,427.64/x
  3. Step 3: Cross multiply
    212,657,491.64x = 318,986,237.64 × 51,099,427.64
  4. Step 4: Simplify right side
    212,657,491.64x = 16,300,014,168,441,024
  5. Step 5: Solve for x
    x = 16,300,014,168,441,024/212,657,491.64
  6. Step 6: Final answer
    x = 76,649,141.50

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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.