Home / 272,565,587.70-408,848,381.55-163,726,470.90

Finding the Fourth Proportional to 272,565,587.70, 408,848,381.55 and 163,726,470.90

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Solution

The fourth proportional to 272,565,587.70, 408,848,381.55 and 163,726,470.90 is: 245,589,706.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,565,587.70 : 408,848,381.55 = 163,726,470.90 : x
  2. Step 2: Convert to fraction form
    272,565,587.70/408,848,381.55 = 163,726,470.90/x
  3. Step 3: Cross multiply
    272,565,587.70x = 408,848,381.55 × 163,726,470.90
  4. Step 4: Simplify right side
    272,565,587.70x = 66,939,302,644,358,176
  5. Step 5: Solve for x
    x = 66,939,302,644,358,176/272,565,587.70
  6. Step 6: Final answer
    x = 245,589,706.35

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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.