Finding the Fourth Proportional to 218,368,094.40, 327,126,988.80 and 121,149,820.80
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Solution
The fourth proportional to 218,368,094.40, 327,126,988.80 and 121,149,820.80 is: 181,488,857.98
Step by Step Solution
- Step 1: Write the proportion equation
218,368,094.40 : 327,126,988.80 = 121,149,820.80 : x - Step 2: Convert to fraction form
218,368,094.40/327,126,988.80 = 121,149,820.80/x - Step 3: Cross multiply
218,368,094.40x = 327,126,988.80 × 121,149,820.80 - Step 4: Simplify right side
218,368,094.40x = 39,631,376,071,963,608 - Step 5: Solve for x
x = 39,631,376,071,963,608/218,368,094.40 - Step 6: Final answer
x = 181,488,857.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.