Finding the Fourth Proportional to 88,573,684.20, 132,860,526.30 and 72,417,877.80
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Solution
The fourth proportional to 88,573,684.20, 132,860,526.30 and 72,417,877.80 is: 108,626,816.70
Step by Step Solution
- Step 1: Write the proportion equation
88,573,684.20 : 132,860,526.30 = 72,417,877.80 : x - Step 2: Convert to fraction form
88,573,684.20/132,860,526.30 = 72,417,877.80/x - Step 3: Cross multiply
88,573,684.20x = 132,860,526.30 × 72,417,877.80 - Step 4: Simplify right side
88,573,684.20x = 9,621,477,358,037,086 - Step 5: Solve for x
x = 9,621,477,358,037,086/88,573,684.20 - Step 6: Final answer
x = 108,626,816.70
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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.