Finding the Fourth Proportional to 314,804,831.80, 472,207,247.70 and 161,749,823.80
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Solution
The fourth proportional to 314,804,831.80, 472,207,247.70 and 161,749,823.80 is: 242,624,735.70
Step by Step Solution
- Step 1: Write the proportion equation
314,804,831.80 : 472,207,247.70 = 161,749,823.80 : x - Step 2: Convert to fraction form
314,804,831.80/472,207,247.70 = 161,749,823.80/x - Step 3: Cross multiply
314,804,831.80x = 472,207,247.70 × 161,749,823.80 - Step 4: Simplify right side
314,804,831.80x = 76,379,439,112,557,952 - Step 5: Solve for x
x = 76,379,439,112,557,952/314,804,831.80 - Step 6: Final answer
x = 242,624,735.70
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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.