Home / 55,240,784.16-82,861,438.32-16,902,237.12

Finding the Fourth Proportional to 55,240,784.16, 82,861,438.32 and 16,902,237.12

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Solution

The fourth proportional to 55,240,784.16, 82,861,438.32 and 16,902,237.12 is: 25,353,435.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,240,784.16 : 82,861,438.32 = 16,902,237.12 : x
  2. Step 2: Convert to fraction form
    55,240,784.16/82,861,438.32 = 16,902,237.12/x
  3. Step 3: Cross multiply
    55,240,784.16x = 82,861,438.32 × 16,902,237.12
  4. Step 4: Simplify right side
    55,240,784.16x = 1,400,543,678,588,894.50
  5. Step 5: Solve for x
    x = 1,400,543,678,588,894.50/55,240,784.16
  6. Step 6: Final answer
    x = 25,353,435.87

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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.