Finding the Fourth Proportional to 118,172,074.08, 163,104,672.24 and 69,295,248.48
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Solution
The fourth proportional to 118,172,074.08, 163,104,672.24 and 69,295,248.48 is: 95,643,398.65
Step by Step Solution
- Step 1: Write the proportion equation
118,172,074.08 : 163,104,672.24 = 69,295,248.48 : x - Step 2: Convert to fraction form
118,172,074.08/163,104,672.24 = 69,295,248.48/x - Step 3: Cross multiply
118,172,074.08x = 163,104,672.24 × 69,295,248.48 - Step 4: Simplify right side
118,172,074.08x = 11,302,378,791,119,760 - Step 5: Solve for x
x = 11,302,378,791,119,760/118,172,074.08 - Step 6: Final answer
x = 95,643,398.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.