Home / 215,576,438.40-323,411,896.80-106,453,886.40

Finding the Fourth Proportional to 215,576,438.40, 323,411,896.80 and 106,453,886.40

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Solution

The fourth proportional to 215,576,438.40, 323,411,896.80 and 106,453,886.40 is: 159,704,156.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,576,438.40 : 323,411,896.80 = 106,453,886.40 : x
  2. Step 2: Convert to fraction form
    215,576,438.40/323,411,896.80 = 106,453,886.40/x
  3. Step 3: Cross multiply
    215,576,438.40x = 323,411,896.80 × 106,453,886.40
  4. Step 4: Simplify right side
    215,576,438.40x = 34,428,453,322,355,728
  5. Step 5: Solve for x
    x = 34,428,453,322,355,728/215,576,438.40
  6. Step 6: Final answer
    x = 159,704,156.81

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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.