Finding the Fourth Proportional to 88,071,833.14, 121,540,632.52 and 48,381,038.14
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Solution
The fourth proportional to 88,071,833.14, 121,540,632.52 and 48,381,038.14 is: 66,766,658.17
Step by Step Solution
- Step 1: Write the proportion equation
88,071,833.14 : 121,540,632.52 = 48,381,038.14 : x - Step 2: Convert to fraction form
88,071,833.14/121,540,632.52 = 48,381,038.14/x - Step 3: Cross multiply
88,071,833.14x = 121,540,632.52 × 48,381,038.14 - Step 4: Simplify right side
88,071,833.14x = 5,880,261,977,509,844 - Step 5: Solve for x
x = 5,880,261,977,509,844/88,071,833.14 - Step 6: Final answer
x = 66,766,658.17
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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.