Finding the Fourth Proportional to 157,662,210.84, 217,542,292.22 and 88,036,878.84
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Solution
The fourth proportional to 157,662,210.84, 217,542,292.22 and 88,036,878.84 is: 121,473,270.74
Step by Step Solution
- Step 1: Write the proportion equation
157,662,210.84 : 217,542,292.22 = 88,036,878.84 : x - Step 2: Convert to fraction form
157,662,210.84/217,542,292.22 = 88,036,878.84/x - Step 3: Cross multiply
157,662,210.84x = 217,542,292.22 × 88,036,878.84 - Step 4: Simplify right side
157,662,210.84x = 19,151,744,422,748,016 - Step 5: Solve for x
x = 19,151,744,422,748,016/157,662,210.84 - Step 6: Final answer
x = 121,473,270.74
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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.