Finding the Fourth Proportional to 139,715,543,506.02, 209,608,583,677.68 and 38,986,326,474
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Solution
The fourth proportional to 139,715,543,506.02, 209,608,583,677.68 and 38,986,326,474 is: 58,489,331,036.09
Step by Step Solution
- Step 1: Write the proportion equation
139,715,543,506.02 : 209,608,583,677.68 = 38,986,326,474 : x - Step 2: Convert to fraction form
139,715,543,506.02/209,608,583,677.68 = 38,986,326,474/x - Step 3: Cross multiply
139,715,543,506.02x = 209,608,583,677.68 × 38,986,326,474 - Step 4: Simplify right side
139,715,543,506.02x = 8,171,868,675,010,779,414,528 - Step 5: Solve for x
x = 8,171,868,675,010,779,414,528/139,715,543,506.02 - Step 6: Final answer
x = 58,489,331,036.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.