Finding the Fourth Proportional to 324,990,625.25, 448,487,932.14 and 176,311,746.34
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Solution
The fourth proportional to 324,990,625.25, 448,487,932.14 and 176,311,746.34 is: 243,310,681.55
Step by Step Solution
- Step 1: Write the proportion equation
324,990,625.25 : 448,487,932.14 = 176,311,746.34 : x - Step 2: Convert to fraction form
324,990,625.25/448,487,932.14 = 176,311,746.34/x - Step 3: Cross multiply
324,990,625.25x = 448,487,932.14 × 176,311,746.34 - Step 4: Simplify right side
324,990,625.25x = 79,073,690,526,897,600 - Step 5: Solve for x
x = 79,073,690,526,897,600/324,990,625.25 - Step 6: Final answer
x = 243,310,681.55
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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.