Home / 264,042,643.20-396,063,964.80-69,984,009.60

Finding the Fourth Proportional to 264,042,643.20, 396,063,964.80 and 69,984,009.60

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Solution

The fourth proportional to 264,042,643.20, 396,063,964.80 and 69,984,009.60 is: 104,976,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,042,643.20 : 396,063,964.80 = 69,984,009.60 : x
  2. Step 2: Convert to fraction form
    264,042,643.20/396,063,964.80 = 69,984,009.60/x
  3. Step 3: Cross multiply
    264,042,643.20x = 396,063,964.80 × 69,984,009.60
  4. Step 4: Simplify right side
    264,042,643.20x = 27,718,144,314,777,260
  5. Step 5: Solve for x
    x = 27,718,144,314,777,260/264,042,643.20
  6. Step 6: Final answer
    x = 104,976,014.40

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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.