Finding the Fourth Proportional to 230,922,955.13, 318,671,139.35 and 125,073,737.28
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Solution
The fourth proportional to 230,922,955.13, 318,671,139.35 and 125,073,737.28 is: 172,600,382.41
Step by Step Solution
- Step 1: Write the proportion equation
230,922,955.13 : 318,671,139.35 = 125,073,737.28 : x - Step 2: Convert to fraction form
230,922,955.13/318,671,139.35 = 125,073,737.28/x - Step 3: Cross multiply
230,922,955.13x = 318,671,139.35 × 125,073,737.28 - Step 4: Simplify right side
230,922,955.13x = 39,857,390,361,780,176 - Step 5: Solve for x
x = 39,857,390,361,780,176/230,922,955.13 - Step 6: Final answer
x = 172,600,382.41
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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.