Finding the Fourth Proportional to 88,573,817.70, 132,860,726.55 and 86,684,249.70
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Solution
The fourth proportional to 88,573,817.70, 132,860,726.55 and 86,684,249.70 is: 130,026,374.55
Step by Step Solution
- Step 1: Write the proportion equation
88,573,817.70 : 132,860,726.55 = 86,684,249.70 : x - Step 2: Convert to fraction form
88,573,817.70/132,860,726.55 = 86,684,249.70/x - Step 3: Cross multiply
88,573,817.70x = 132,860,726.55 × 86,684,249.70 - Step 4: Simplify right side
88,573,817.70x = 11,516,932,395,583,620 - Step 5: Solve for x
x = 11,516,932,395,583,620/88,573,817.70 - Step 6: Final answer
x = 130,026,374.55
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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.