Finding the Fourth Proportional to 90,114,129.99, 135,176,428.75 and 34,782,280.94
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Solution
The fourth proportional to 90,114,129.99, 135,176,428.75 and 34,782,280.94 is: 52,175,441.54
Step by Step Solution
- Step 1: Write the proportion equation
90,114,129.99 : 135,176,428.75 = 34,782,280.94 : x - Step 2: Convert to fraction form
90,114,129.99/135,176,428.75 = 34,782,280.94/x - Step 3: Cross multiply
90,114,129.99x = 135,176,428.75 × 34,782,280.94 - Step 4: Simplify right side
90,114,129.99x = 4,701,744,521,564,422 - Step 5: Solve for x
x = 4,701,744,521,564,422/90,114,129.99 - Step 6: Final answer
x = 52,175,441.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.