Finding the Fourth Proportional to 130,173,876.95, 194,110,714.49 and 129,005,494.07
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Solution
The fourth proportional to 130,173,876.95, 194,110,714.49 and 129,005,494.07 is: 192,368,462.96
Step by Step Solution
- Step 1: Write the proportion equation
130,173,876.95 : 194,110,714.49 = 129,005,494.07 : x - Step 2: Convert to fraction form
130,173,876.95/194,110,714.49 = 129,005,494.07/x - Step 3: Cross multiply
130,173,876.95x = 194,110,714.49 × 129,005,494.07 - Step 4: Simplify right side
130,173,876.95x = 25,041,348,627,063,156 - Step 5: Solve for x
x = 25,041,348,627,063,156/130,173,876.95 - Step 6: Final answer
x = 192,368,462.96
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.