Finding the Fourth Proportional to 129,374,513.68, 194,065,710.09 and 50,587,874.95
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Solution
The fourth proportional to 129,374,513.68, 194,065,710.09 and 50,587,874.95 is: 75,883,352.87
Step by Step Solution
- Step 1: Write the proportion equation
129,374,513.68 : 194,065,710.09 = 50,587,874.95 : x - Step 2: Convert to fraction form
129,374,513.68/194,065,710.09 = 50,587,874.95/x - Step 3: Cross multiply
129,374,513.68x = 194,065,710.09 × 50,587,874.95 - Step 4: Simplify right side
129,374,513.68x = 9,817,371,874,115,874 - Step 5: Solve for x
x = 9,817,371,874,115,874/129,374,513.68 - Step 6: Final answer
x = 75,883,352.87
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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.