Finding the Fourth Proportional to 157,771,394.08, 217,725,617.76 and 88,159,708.96
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Solution
The fourth proportional to 157,771,394.08, 217,725,617.76 and 88,159,708.96 is: 121,661,009.63
Step by Step Solution
- Step 1: Write the proportion equation
157,771,394.08 : 217,725,617.76 = 88,159,708.96 : x - Step 2: Convert to fraction form
157,771,394.08/217,725,617.76 = 88,159,708.96/x - Step 3: Cross multiply
157,771,394.08x = 217,725,617.76 × 88,159,708.96 - Step 4: Simplify right side
157,771,394.08x = 19,194,627,094,857,804 - Step 5: Solve for x
x = 19,194,627,094,857,804/157,771,394.08 - Step 6: Final answer
x = 121,661,009.63
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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.