Finding the Fourth Proportional to 215,057,306.48, 296,671,645.10 and 135,770,632.25
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Solution
The fourth proportional to 215,057,306.48, 296,671,645.10 and 135,770,632.25 is: 187,295,644.52
Step by Step Solution
- Step 1: Write the proportion equation
215,057,306.48 : 296,671,645.10 = 135,770,632.25 : x - Step 2: Convert to fraction form
215,057,306.48/296,671,645.10 = 135,770,632.25/x - Step 3: Cross multiply
215,057,306.48x = 296,671,645.10 × 135,770,632.25 - Step 4: Simplify right side
215,057,306.48x = 40,279,296,824,730,688 - Step 5: Solve for x
x = 40,279,296,824,730,688/215,057,306.48 - Step 6: Final answer
x = 187,295,644.52
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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.