Finding the Fourth Proportional to 122,526,868.80, 183,566,354.40 and 99,684,091.20
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Solution
The fourth proportional to 122,526,868.80, 183,566,354.40 and 99,684,091.20 is: 149,343,938.95
Step by Step Solution
- Step 1: Write the proportion equation
122,526,868.80 : 183,566,354.40 = 99,684,091.20 : x - Step 2: Convert to fraction form
122,526,868.80/183,566,354.40 = 99,684,091.20/x - Step 3: Cross multiply
122,526,868.80x = 183,566,354.40 × 99,684,091.20 - Step 4: Simplify right side
122,526,868.80x = 18,298,645,213,261,124 - Step 5: Solve for x
x = 18,298,645,213,261,124/122,526,868.80 - Step 6: Final answer
x = 149,343,938.95
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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.