Finding the Fourth Proportional to 88,512,152.90, 132,876,056.55 and 56,163,992.90
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Solution
The fourth proportional to 88,512,152.90, 132,876,056.55 and 56,163,992.90 is: 84,314,409.40
Step by Step Solution
- Step 1: Write the proportion equation
88,512,152.90 : 132,876,056.55 = 56,163,992.90 : x - Step 2: Convert to fraction form
88,512,152.90/132,876,056.55 = 56,163,992.90/x - Step 3: Cross multiply
88,512,152.90x = 132,876,056.55 × 56,163,992.90 - Step 4: Simplify right side
88,512,152.90x = 7,462,849,896,654,198 - Step 5: Solve for x
x = 7,462,849,896,654,198/88,512,152.90 - Step 6: Final answer
x = 84,314,409.40
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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.