Finding the Fourth Proportional to 45,688,521.96, 68,553,711.21 and 19,788,744.78
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Solution
The fourth proportional to 45,688,521.96, 68,553,711.21 and 19,788,744.78 is: 29,692,181.68
Step by Step Solution
- Step 1: Write the proportion equation
45,688,521.96 : 68,553,711.21 = 19,788,744.78 : x - Step 2: Convert to fraction form
45,688,521.96/68,553,711.21 = 19,788,744.78/x - Step 3: Cross multiply
45,688,521.96x = 68,553,711.21 × 19,788,744.78 - Step 4: Simplify right side
45,688,521.96x = 1,356,591,894,856,515 - Step 5: Solve for x
x = 1,356,591,894,856,515/45,688,521.96 - Step 6: Final answer
x = 29,692,181.68
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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.