Home / 69,984,076.80-104,976,115.20-39,373,075.20

Finding the Fourth Proportional to 69,984,076.80, 104,976,115.20 and 39,373,075.20

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Solution

The fourth proportional to 69,984,076.80, 104,976,115.20 and 39,373,075.20 is: 59,059,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,076.80 : 104,976,115.20 = 39,373,075.20 : x
  2. Step 2: Convert to fraction form
    69,984,076.80/104,976,115.20 = 39,373,075.20/x
  3. Step 3: Cross multiply
    69,984,076.80x = 104,976,115.20 × 39,373,075.20
  4. Step 4: Simplify right side
    69,984,076.80x = 4,133,232,477,973,463.50
  5. Step 5: Solve for x
    x = 4,133,232,477,973,463.50/69,984,076.80
  6. Step 6: Final answer
    x = 59,059,612.80

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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.