Finding the Fourth Proportional to 132,257,230.45, 198,386,479.40 and 40,141,768.19
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Solution
The fourth proportional to 132,257,230.45, 198,386,479.40 and 40,141,768.19 is: 60,212,844.62
Step by Step Solution
- Step 1: Write the proportion equation
132,257,230.45 : 198,386,479.40 = 40,141,768.19 : x - Step 2: Convert to fraction form
132,257,230.45/198,386,479.40 = 40,141,768.19/x - Step 3: Cross multiply
132,257,230.45x = 198,386,479.40 × 40,141,768.19 - Step 4: Simplify right side
132,257,230.45x = 7,963,584,066,912,370 - Step 5: Solve for x
x = 7,963,584,066,912,370/132,257,230.45 - Step 6: Final answer
x = 60,212,844.62
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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.