Home / 264,204,643.20-396,306,964.80-70,146,009.60

Finding the Fourth Proportional to 264,204,643.20, 396,306,964.80 and 70,146,009.60

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Solution

The fourth proportional to 264,204,643.20, 396,306,964.80 and 70,146,009.60 is: 105,219,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,204,643.20 : 396,306,964.80 = 70,146,009.60 : x
  2. Step 2: Convert to fraction form
    264,204,643.20/396,306,964.80 = 70,146,009.60/x
  3. Step 3: Cross multiply
    264,204,643.20x = 396,306,964.80 × 70,146,009.60
  4. Step 4: Simplify right side
    264,204,643.20x = 27,799,352,157,407,660
  5. Step 5: Solve for x
    x = 27,799,352,157,407,660/264,204,643.20
  6. Step 6: Final answer
    x = 105,219,014.40

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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.