Home / 69,983,999.80-104,975,999.70-55,528,804.60

Finding the Fourth Proportional to 69,983,999.80, 104,975,999.70 and 55,528,804.60

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Solution

The fourth proportional to 69,983,999.80, 104,975,999.70 and 55,528,804.60 is: 83,293,206.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,983,999.80 : 104,975,999.70 = 55,528,804.60 : x
  2. Step 2: Convert to fraction form
    69,983,999.80/104,975,999.70 = 55,528,804.60/x
  3. Step 3: Cross multiply
    69,983,999.80x = 104,975,999.70 × 55,528,804.60
  4. Step 4: Simplify right side
    69,983,999.80x = 5,829,191,775,030,959
  5. Step 5: Solve for x
    x = 5,829,191,775,030,959/69,983,999.80
  6. Step 6: Final answer
    x = 83,293,206.90

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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.