Finding the Fourth Proportional to 236,659,569.50, 354,972,518.40 and 72,880,248.08
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Solution
The fourth proportional to 236,659,569.50, 354,972,518.40 and 72,880,248.08 is: 109,315,187.45
Step by Step Solution
- Step 1: Write the proportion equation
236,659,569.50 : 354,972,518.40 = 72,880,248.08 : x - Step 2: Convert to fraction form
236,659,569.50/354,972,518.40 = 72,880,248.08/x - Step 3: Cross multiply
236,659,569.50x = 354,972,518.40 × 72,880,248.08 - Step 4: Simplify right side
236,659,569.50x = 25,870,485,202,574,364 - Step 5: Solve for x
x = 25,870,485,202,574,364/236,659,569.50 - Step 6: Final answer
x = 109,315,187.45
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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.