Home / 43,164,829.40-64,737,912.90-18,903,709.40

Finding the Fourth Proportional to 43,164,829.40, 64,737,912.90 and 18,903,709.40

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Solution

The fourth proportional to 43,164,829.40, 64,737,912.90 and 18,903,709.40 is: 28,351,477.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,164,829.40 : 64,737,912.90 = 18,903,709.40 : x
  2. Step 2: Convert to fraction form
    43,164,829.40/64,737,912.90 = 18,903,709.40/x
  3. Step 3: Cross multiply
    43,164,829.40x = 64,737,912.90 × 18,903,709.40
  4. Step 4: Simplify right side
    43,164,829.40x = 1,223,786,692,624,111.25
  5. Step 5: Solve for x
    x = 1,223,786,692,624,111.25/43,164,829.40
  6. Step 6: Final answer
    x = 28,351,477.57

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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.