Home / 69,984,200.40-104,976,300.60-54,678,699.60

Finding the Fourth Proportional to 69,984,200.40, 104,976,300.60 and 54,678,699.60

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Solution

The fourth proportional to 69,984,200.40, 104,976,300.60 and 54,678,699.60 is: 82,018,049.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,200.40 : 104,976,300.60 = 54,678,699.60 : x
  2. Step 2: Convert to fraction form
    69,984,200.40/104,976,300.60 = 54,678,699.60/x
  3. Step 3: Cross multiply
    69,984,200.40x = 104,976,300.60 × 54,678,699.60
  4. Step 4: Simplify right side
    69,984,200.40x = 5,739,967,605,626,700
  5. Step 5: Solve for x
    x = 5,739,967,605,626,700/69,984,200.40
  6. Step 6: Final answer
    x = 82,018,049.40

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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.