Finding the Fourth Proportional to 88,573,651.80, 132,860,477.70 and 56,368,327.20
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Solution
The fourth proportional to 88,573,651.80, 132,860,477.70 and 56,368,327.20 is: 84,552,490.80
Step by Step Solution
- Step 1: Write the proportion equation
88,573,651.80 : 132,860,477.70 = 56,368,327.20 : x - Step 2: Convert to fraction form
88,573,651.80/132,860,477.70 = 56,368,327.20/x - Step 3: Cross multiply
88,573,651.80x = 132,860,477.70 × 56,368,327.20 - Step 4: Simplify right side
88,573,651.80x = 7,489,122,878,941,904 - Step 5: Solve for x
x = 7,489,122,878,941,904/88,573,651.80 - Step 6: Final answer
x = 84,552,490.80
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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.