Finding the Fourth Proportional to 288,034,209.96, 432,052,435.84 and 69,684,201.68
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Solution
The fourth proportional to 288,034,209.96, 432,052,435.84 and 69,684,201.68 is: 104,526,573.70
Step by Step Solution
- Step 1: Write the proportion equation
288,034,209.96 : 432,052,435.84 = 69,684,201.68 : x - Step 2: Convert to fraction form
288,034,209.96/432,052,435.84 = 69,684,201.68/x - Step 3: Cross multiply
288,034,209.96x = 432,052,435.84 × 69,684,201.68 - Step 4: Simplify right side
288,034,209.96x = 30,107,229,075,409,820 - Step 5: Solve for x
x = 30,107,229,075,409,820/288,034,209.96 - Step 6: Final answer
x = 104,526,573.70
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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.