Finding the Fourth Proportional to 137,985,163.84, 207,069,789.22 and 71,572,799.71
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Solution
The fourth proportional to 137,985,163.84, 207,069,789.22 and 71,572,799.71 is: 107,406,942.44
Step by Step Solution
- Step 1: Write the proportion equation
137,985,163.84 : 207,069,789.22 = 71,572,799.71 : x - Step 2: Convert to fraction form
137,985,163.84/207,069,789.22 = 71,572,799.71/x - Step 3: Cross multiply
137,985,163.84x = 207,069,789.22 × 71,572,799.71 - Step 4: Simplify right side
137,985,163.84x = 14,820,564,549,914,884 - Step 5: Solve for x
x = 14,820,564,549,914,884/137,985,163.84 - Step 6: Final answer
x = 107,406,942.44
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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.