Home / 69,783,245.83-104,686,239.07-20,604,070.38

Finding the Fourth Proportional to 69,783,245.83, 104,686,239.07 and 20,604,070.38

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Solution

The fourth proportional to 69,783,245.83, 104,686,239.07 and 20,604,070.38 is: 30,909,462.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,783,245.83 : 104,686,239.07 = 20,604,070.38 : x
  2. Step 2: Convert to fraction form
    69,783,245.83/104,686,239.07 = 20,604,070.38/x
  3. Step 3: Cross multiply
    69,783,245.83x = 104,686,239.07 × 20,604,070.38
  4. Step 4: Simplify right side
    69,783,245.83x = 2,156,962,638,034,114.25
  5. Step 5: Solve for x
    x = 2,156,962,638,034,114.25/69,783,245.83
  6. Step 6: Final answer
    x = 30,909,462.76

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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.