Finding the Fourth Proportional to 138,192,757.03, 207,266,604.15 and 46,077,258.13
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Solution
The fourth proportional to 138,192,757.03, 207,266,604.15 and 46,077,258.13 is: 69,108,374.61
Step by Step Solution
- Step 1: Write the proportion equation
138,192,757.03 : 207,266,604.15 = 46,077,258.13 : x - Step 2: Convert to fraction form
138,192,757.03/207,266,604.15 = 46,077,258.13/x - Step 3: Cross multiply
138,192,757.03x = 207,266,604.15 × 46,077,258.13 - Step 4: Simplify right side
138,192,757.03x = 9,550,276,821,148,080 - Step 5: Solve for x
x = 9,550,276,821,148,080/138,192,757.03 - Step 6: Final answer
x = 69,108,374.61
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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.