Finding the Fourth Proportional to 100,350,505.84, 150,496,641.36 and 42,056,660.68
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Solution
The fourth proportional to 100,350,505.84, 150,496,641.36 and 42,056,660.68 is: 63,072,787.99
Step by Step Solution
- Step 1: Write the proportion equation
100,350,505.84 : 150,496,641.36 = 42,056,660.68 : x - Step 2: Convert to fraction form
100,350,505.84/150,496,641.36 = 42,056,660.68/x - Step 3: Cross multiply
100,350,505.84x = 150,496,641.36 × 42,056,660.68 - Step 4: Simplify right side
100,350,505.84x = 6,329,386,179,157,174 - Step 5: Solve for x
x = 6,329,386,179,157,174/100,350,505.84 - Step 6: Final answer
x = 63,072,787.99
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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.