Finding the Fourth Proportional to 157,374,590.58, 217,177,144.21 and 86,808,609.00
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Solution
The fourth proportional to 157,374,590.58, 217,177,144.21 and 86,808,609.00 is: 119,795,995.82
Step by Step Solution
- Step 1: Write the proportion equation
157,374,590.58 : 217,177,144.21 = 86,808,609.00 : x - Step 2: Convert to fraction form
157,374,590.58/217,177,144.21 = 86,808,609.00/x - Step 3: Cross multiply
157,374,590.58x = 217,177,144.21 × 86,808,609.00 - Step 4: Simplify right side
157,374,590.58x = 18,852,845,794,960,096 - Step 5: Solve for x
x = 18,852,845,794,960,096/157,374,590.58 - Step 6: Final answer
x = 119,795,995.82
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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.