Finding the Fourth Proportional to 326,218,831.20, 489,328,246.80 and 110,808,079.20
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Solution
The fourth proportional to 326,218,831.20, 489,328,246.80 and 110,808,079.20 is: 166,212,118.80
Step by Step Solution
- Step 1: Write the proportion equation
326,218,831.20 : 489,328,246.80 = 110,808,079.20 : x - Step 2: Convert to fraction form
326,218,831.20/489,328,246.80 = 110,808,079.20/x - Step 3: Cross multiply
326,218,831.20x = 489,328,246.80 × 110,808,079.20 - Step 4: Simplify right side
326,218,831.20x = 54,221,523,126,211,552 - Step 5: Solve for x
x = 54,221,523,126,211,552/326,218,831.20 - Step 6: Final answer
x = 166,212,118.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.