Home / 69,984,186.40-104,976,279.60-48,412,784.80

Finding the Fourth Proportional to 69,984,186.40, 104,976,279.60 and 48,412,784.80

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Solution

The fourth proportional to 69,984,186.40, 104,976,279.60 and 48,412,784.80 is: 72,619,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,186.40 : 104,976,279.60 = 48,412,784.80 : x
  2. Step 2: Convert to fraction form
    69,984,186.40/104,976,279.60 = 48,412,784.80/x
  3. Step 3: Cross multiply
    69,984,186.40x = 104,976,279.60 × 48,412,784.80
  4. Step 4: Simplify right side
    69,984,186.40x = 5,082,194,033,379,429
  5. Step 5: Solve for x
    x = 5,082,194,033,379,429/69,984,186.40
  6. Step 6: Final answer
    x = 72,619,177.20

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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.