Finding the Fourth Proportional to 352,475,891.52, 528,385,118.87 and 119,144,257.02
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Solution
The fourth proportional to 352,475,891.52, 528,385,118.87 and 119,144,257.02 is: 178,605,271.80
Step by Step Solution
- Step 1: Write the proportion equation
352,475,891.52 : 528,385,118.87 = 119,144,257.02 : x - Step 2: Convert to fraction form
352,475,891.52/528,385,118.87 = 119,144,257.02/x - Step 3: Cross multiply
352,475,891.52x = 528,385,118.87 × 119,144,257.02 - Step 4: Simplify right side
352,475,891.52x = 62,954,052,408,190,528 - Step 5: Solve for x
x = 62,954,052,408,190,528/352,475,891.52 - Step 6: Final answer
x = 178,605,271.80
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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.