Home / 268,380,042.52-402,525,219.34-74,311,075.34

Finding the Fourth Proportional to 268,380,042.52, 402,525,219.34 and 74,311,075.34

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Solution

The fourth proportional to 268,380,042.52, 402,525,219.34 and 74,311,075.34 is: 111,454,196.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,380,042.52 : 402,525,219.34 = 74,311,075.34 : x
  2. Step 2: Convert to fraction form
    268,380,042.52/402,525,219.34 = 74,311,075.34/x
  3. Step 3: Cross multiply
    268,380,042.52x = 402,525,219.34 × 74,311,075.34
  4. Step 4: Simplify right side
    268,380,042.52x = 29,912,081,900,624,764
  5. Step 5: Solve for x
    x = 29,912,081,900,624,764/268,380,042.52
  6. Step 6: Final answer
    x = 111,454,196.15

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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.