Finding the Fourth Proportional to 288,458,117.10, 432,687,175.65 and 83,992,862.70
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Solution
The fourth proportional to 288,458,117.10, 432,687,175.65 and 83,992,862.70 is: 125,989,294.05
Step by Step Solution
- Step 1: Write the proportion equation
288,458,117.10 : 432,687,175.65 = 83,992,862.70 : x - Step 2: Convert to fraction form
288,458,117.10/432,687,175.65 = 83,992,862.70/x - Step 3: Cross multiply
288,458,117.10x = 432,687,175.65 × 83,992,862.70 - Step 4: Simplify right side
288,458,117.10x = 36,342,634,536,421,232 - Step 5: Solve for x
x = 36,342,634,536,421,232/288,458,117.10 - Step 6: Final answer
x = 125,989,294.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.