Finding the Fourth Proportional to 178,888,454, 247,862,145.92 and 175,014,249.14
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Solution
The fourth proportional to 178,888,454, 247,862,145.92 and 175,014,249.14 is: 242,494,171.02
Step by Step Solution
- Step 1: Write the proportion equation
178,888,454 : 247,862,145.92 = 175,014,249.14 : x - Step 2: Convert to fraction form
178,888,454/247,862,145.92 = 175,014,249.14/x - Step 3: Cross multiply
178,888,454x = 247,862,145.92 × 175,014,249.14 - Step 4: Simplify right side
178,888,454x = 43,379,407,358,417,912 - Step 5: Solve for x
x = 43,379,407,358,417,912/178,888,454 - Step 6: Final answer
x = 242,494,171.02
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.