Home / 272,565,515.20-408,848,272.80-163,726,398.40

Finding the Fourth Proportional to 272,565,515.20, 408,848,272.80 and 163,726,398.40

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Solution

The fourth proportional to 272,565,515.20, 408,848,272.80 and 163,726,398.40 is: 245,589,597.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,565,515.20 : 408,848,272.80 = 163,726,398.40 : x
  2. Step 2: Convert to fraction form
    272,565,515.20/408,848,272.80 = 163,726,398.40/x
  3. Step 3: Cross multiply
    272,565,515.20x = 408,848,272.80 × 163,726,398.40
  4. Step 4: Simplify right side
    272,565,515.20x = 66,939,255,197,604,688
  5. Step 5: Solve for x
    x = 66,939,255,197,604,688/272,565,515.20
  6. Step 6: Final answer
    x = 245,589,597.60

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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.