Home / 69,549,110.20-104,318,999.70-18,430,031.80

Finding the Fourth Proportional to 69,549,110.20, 104,318,999.70 and 18,430,031.80

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Solution

The fourth proportional to 69,549,110.20, 104,318,999.70 and 18,430,031.80 is: 27,643,811.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,549,110.20 : 104,318,999.70 = 18,430,031.80 : x
  2. Step 2: Convert to fraction form
    69,549,110.20/104,318,999.70 = 18,430,031.80/x
  3. Step 3: Cross multiply
    69,549,110.20x = 104,318,999.70 × 18,430,031.80
  4. Step 4: Simplify right side
    69,549,110.20x = 1,922,602,481,815,190.50
  5. Step 5: Solve for x
    x = 1,922,602,481,815,190.50/69,549,110.20
  6. Step 6: Final answer
    x = 27,643,811.35

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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.