Finding the Fourth Proportional to 100,173,566.68, 149,925,539.94 and 57,031,188.28
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Solution
The fourth proportional to 100,173,566.68, 149,925,539.94 and 57,031,188.28 is: 85,356,167.10
Step by Step Solution
- Step 1: Write the proportion equation
100,173,566.68 : 149,925,539.94 = 57,031,188.28 : x - Step 2: Convert to fraction form
100,173,566.68/149,925,539.94 = 57,031,188.28/x - Step 3: Cross multiply
100,173,566.68x = 149,925,539.94 × 57,031,188.28 - Step 4: Simplify right side
100,173,566.68x = 8,550,431,696,298,800 - Step 5: Solve for x
x = 8,550,431,696,298,800/100,173,566.68 - Step 6: Final answer
x = 85,356,167.10
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.