Finding the Fourth Proportional to 147,125,420.20, 220,310,216.70 and 116,640,389.80
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Solution
The fourth proportional to 147,125,420.20, 220,310,216.70 and 116,640,389.80 is: 174,660,976.45
Step by Step Solution
- Step 1: Write the proportion equation
147,125,420.20 : 220,310,216.70 = 116,640,389.80 : x - Step 2: Convert to fraction form
147,125,420.20/220,310,216.70 = 116,640,389.80/x - Step 3: Cross multiply
147,125,420.20x = 220,310,216.70 × 116,640,389.80 - Step 4: Simplify right side
147,125,420.20x = 25,697,069,552,810,468 - Step 5: Solve for x
x = 25,697,069,552,810,468/147,125,420.20 - Step 6: Final answer
x = 174,660,976.45
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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.