Finding the Fourth Proportional to 99,743,159.20, 149,331,303.60 and 88,405,751.20
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Solution
The fourth proportional to 99,743,159.20, 149,331,303.60 and 88,405,751.20 is: 132,357,408.55
Step by Step Solution
- Step 1: Write the proportion equation
99,743,159.20 : 149,331,303.60 = 88,405,751.20 : x - Step 2: Convert to fraction form
99,743,159.20/149,331,303.60 = 88,405,751.20/x - Step 3: Cross multiply
99,743,159.20x = 149,331,303.60 × 88,405,751.20 - Step 4: Simplify right side
99,743,159.20x = 13,201,746,072,433,264 - Step 5: Solve for x
x = 13,201,746,072,433,264/99,743,159.20 - Step 6: Final answer
x = 132,357,408.55
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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.