Finding the Fourth Proportional to 325,109,601.86, 448,652,425.16 and 176,430,690.66
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Solution
The fourth proportional to 325,109,601.86, 448,652,425.16 and 176,430,690.66 is: 243,474,990.54
Step by Step Solution
- Step 1: Write the proportion equation
325,109,601.86 : 448,652,425.16 = 176,430,690.66 : x - Step 2: Convert to fraction form
325,109,601.86/448,652,425.16 = 176,430,690.66/x - Step 3: Cross multiply
325,109,601.86x = 448,652,425.16 × 176,430,690.66 - Step 4: Simplify right side
325,109,601.86x = 79,156,057,237,262,768 - Step 5: Solve for x
x = 79,156,057,237,262,768/325,109,601.86 - Step 6: Final answer
x = 243,474,990.54
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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.