Finding the Fourth Proportional to 88,289,576.12, 121,838,648.16 and 48,596,258.21
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Solution
The fourth proportional to 88,289,576.12, 121,838,648.16 and 48,596,258.21 is: 67,062,304.14
Step by Step Solution
- Step 1: Write the proportion equation
88,289,576.12 : 121,838,648.16 = 48,596,258.21 : x - Step 2: Convert to fraction form
88,289,576.12/121,838,648.16 = 48,596,258.21/x - Step 3: Cross multiply
88,289,576.12x = 121,838,648.16 × 48,596,258.21 - Step 4: Simplify right side
88,289,576.12x = 5,920,902,405,940,701 - Step 5: Solve for x
x = 5,920,902,405,940,701/88,289,576.12 - Step 6: Final answer
x = 67,062,304.14
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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.