Finding the Fourth Proportional to 99,774,086.09, 136,688,214.53 and 96,043,751.63
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Solution
The fourth proportional to 99,774,086.09, 136,688,214.53 and 96,043,751.63 is: 131,577,741.69
Step by Step Solution
- Step 1: Write the proportion equation
99,774,086.09 : 136,688,214.53 = 96,043,751.63 : x - Step 2: Convert to fraction form
99,774,086.09/136,688,214.53 = 96,043,751.63/x - Step 3: Cross multiply
99,774,086.09x = 136,688,214.53 × 96,043,751.63 - Step 4: Simplify right side
99,774,086.09x = 13,128,048,927,272,148 - Step 5: Solve for x
x = 13,128,048,927,272,148/99,774,086.09 - Step 6: Final answer
x = 131,577,741.69
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.