Finding the Fourth Proportional to 190,806,743.20, 286,352,570.52 and 141,735,908.84
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Solution
The fourth proportional to 190,806,743.20, 286,352,570.52 and 141,735,908.84 is: 212,709,682.83
Step by Step Solution
- Step 1: Write the proportion equation
190,806,743.20 : 286,352,570.52 = 141,735,908.84 : x - Step 2: Convert to fraction form
190,806,743.20/286,352,570.52 = 141,735,908.84/x - Step 3: Cross multiply
190,806,743.20x = 286,352,570.52 × 141,735,908.84 - Step 4: Simplify right side
190,806,743.20x = 40,586,441,829,890,632 - Step 5: Solve for x
x = 40,586,441,829,890,632/190,806,743.20 - Step 6: Final answer
x = 212,709,682.83
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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.