Finding the Fourth Proportional to 230,922,955.38, 318,671,139.70 and 125,073,737.53
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Solution
The fourth proportional to 230,922,955.38, 318,671,139.70 and 125,073,737.53 is: 172,600,382.75
Step by Step Solution
- Step 1: Write the proportion equation
230,922,955.38 : 318,671,139.70 = 125,073,737.53 : x - Step 2: Convert to fraction form
230,922,955.38/318,671,139.70 = 125,073,737.53/x - Step 3: Cross multiply
230,922,955.38x = 318,671,139.70 × 125,073,737.53 - Step 4: Simplify right side
230,922,955.38x = 39,857,390,485,223,760 - Step 5: Solve for x
x = 39,857,390,485,223,760/230,922,955.38 - Step 6: Final answer
x = 172,600,382.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.