Home / 69,984,076.40-104,976,114.60-66,795,430.40

Finding the Fourth Proportional to 69,984,076.40, 104,976,114.60 and 66,795,430.40

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Solution

The fourth proportional to 69,984,076.40, 104,976,114.60 and 66,795,430.40 is: 100,193,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,076.40 : 104,976,114.60 = 66,795,430.40 : x
  2. Step 2: Convert to fraction form
    69,984,076.40/104,976,114.60 = 66,795,430.40/x
  3. Step 3: Cross multiply
    69,984,076.40x = 104,976,114.60 × 66,795,430.40
  4. Step 4: Simplify right side
    69,984,076.40x = 7,011,924,756,426,723
  5. Step 5: Solve for x
    x = 7,011,924,756,426,723/69,984,076.40
  6. Step 6: Final answer
    x = 100,193,145.60

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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.