Finding the Fourth Proportional to 173,395,155.18, 239,053,832.97 and 137,749,867.53
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Solution
The fourth proportional to 173,395,155.18, 239,053,832.97 and 137,749,867.53 is: 189,910,922.19
Step by Step Solution
- Step 1: Write the proportion equation
173,395,155.18 : 239,053,832.97 = 137,749,867.53 : x - Step 2: Convert to fraction form
173,395,155.18/239,053,832.97 = 137,749,867.53/x - Step 3: Cross multiply
173,395,155.18x = 239,053,832.97 × 137,749,867.53 - Step 4: Simplify right side
173,395,155.18x = 32,929,633,824,156,248 - Step 5: Solve for x
x = 32,929,633,824,156,248/173,395,155.18 - Step 6: Final answer
x = 189,910,922.19
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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.