Finding the Fourth Proportional to 193,470,841.28, 266,987,902.20 and 105,366,314
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Solution
The fourth proportional to 193,470,841.28, 266,987,902.20 and 105,366,314 is: 145,404,501.02
Step by Step Solution
- Step 1: Write the proportion equation
193,470,841.28 : 266,987,902.20 = 105,366,314 : x - Step 2: Convert to fraction form
193,470,841.28/266,987,902.20 = 105,366,314/x - Step 3: Cross multiply
193,470,841.28x = 266,987,902.20 × 105,366,314 - Step 4: Simplify right side
193,470,841.28x = 28,131,531,137,406,488 - Step 5: Solve for x
x = 28,131,531,137,406,488/193,470,841.28 - Step 6: Final answer
x = 145,404,501.02
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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.