Home / 239,765,567.64-330,876,479.16-129,757,280.64

Finding the Fourth Proportional to 239,765,567.64, 330,876,479.16 and 129,757,280.64

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Solution

The fourth proportional to 239,765,567.64, 330,876,479.16 and 129,757,280.64 is: 179,065,045.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,765,567.64 : 330,876,479.16 = 129,757,280.64 : x
  2. Step 2: Convert to fraction form
    239,765,567.64/330,876,479.16 = 129,757,280.64/x
  3. Step 3: Cross multiply
    239,765,567.64x = 330,876,479.16 × 129,757,280.64
  4. Step 4: Simplify right side
    239,765,567.64x = 42,933,632,163,539,232
  5. Step 5: Solve for x
    x = 42,933,632,163,539,232/239,765,567.64
  6. Step 6: Final answer
    x = 179,065,045.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.