Finding the Fourth Proportional to 122,526,847.30, 183,566,322.15 and 99,684,069.70
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Solution
The fourth proportional to 122,526,847.30, 183,566,322.15 and 99,684,069.70 is: 149,343,906.70
Step by Step Solution
- Step 1: Write the proportion equation
122,526,847.30 : 183,566,322.15 = 99,684,069.70 : x - Step 2: Convert to fraction form
122,526,847.30/183,566,322.15 = 99,684,069.70/x - Step 3: Cross multiply
122,526,847.30x = 183,566,322.15 × 99,684,069.70 - Step 4: Simplify right side
122,526,847.30x = 18,298,638,051,773,256 - Step 5: Solve for x
x = 18,298,638,051,773,256/122,526,847.30 - Step 6: Final answer
x = 149,343,906.70
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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.