Finding the Fourth Proportional to 79,062,437.51, 109,107,278.03 and 45,553,397.12
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Solution
The fourth proportional to 79,062,437.51, 109,107,278.03 and 45,553,397.12 is: 62,864,330.03
Step by Step Solution
- Step 1: Write the proportion equation
79,062,437.51 : 109,107,278.03 = 45,553,397.12 : x - Step 2: Convert to fraction form
79,062,437.51/109,107,278.03 = 45,553,397.12/x - Step 3: Cross multiply
79,062,437.51x = 109,107,278.03 × 45,553,397.12 - Step 4: Simplify right side
79,062,437.51x = 4,970,207,164,760,340 - Step 5: Solve for x
x = 4,970,207,164,760,340/79,062,437.51 - Step 6: Final answer
x = 62,864,330.03
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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.