Finding the Fourth Proportional to 163,331,038.44, 225,393,994.98 and 88,992,209.79
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Solution
The fourth proportional to 163,331,038.44, 225,393,994.98 and 88,992,209.79 is: 122,807,703.17
Step by Step Solution
- Step 1: Write the proportion equation
163,331,038.44 : 225,393,994.98 = 88,992,209.79 : x - Step 2: Convert to fraction form
163,331,038.44/225,393,994.98 = 88,992,209.79/x - Step 3: Cross multiply
163,331,038.44x = 225,393,994.98 × 88,992,209.79 - Step 4: Simplify right side
163,331,038.44x = 20,058,309,686,666,368 - Step 5: Solve for x
x = 20,058,309,686,666,368/163,331,038.44 - Step 6: Final answer
x = 122,807,703.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.