Finding the Fourth Proportional to 170,263,678.10, 234,963,871.71 and 91,947,225.18
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Solution
The fourth proportional to 170,263,678.10, 234,963,871.71 and 91,947,225.18 is: 126,887,168.56
Step by Step Solution
- Step 1: Write the proportion equation
170,263,678.10 : 234,963,871.71 = 91,947,225.18 : x - Step 2: Convert to fraction form
170,263,678.10/234,963,871.71 = 91,947,225.18/x - Step 3: Cross multiply
170,263,678.10x = 234,963,871.71 × 91,947,225.18 - Step 4: Simplify right side
170,263,678.10x = 21,604,276,021,284,004 - Step 5: Solve for x
x = 21,604,276,021,284,004/170,263,678.10 - Step 6: Final answer
x = 126,887,168.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.