Finding the Fourth Proportional to 125,086,717.98, 187,653,647.61 and 47,386,894.50
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Solution
The fourth proportional to 125,086,717.98, 187,653,647.61 and 47,386,894.50 is: 71,089,271.07
Step by Step Solution
- Step 1: Write the proportion equation
125,086,717.98 : 187,653,647.61 = 47,386,894.50 : x - Step 2: Convert to fraction form
125,086,717.98/187,653,647.61 = 47,386,894.50/x - Step 3: Cross multiply
125,086,717.98x = 187,653,647.61 × 47,386,894.50 - Step 4: Simplify right side
125,086,717.98x = 8,892,323,601,835,248 - Step 5: Solve for x
x = 8,892,323,601,835,248/125,086,717.98 - Step 6: Final answer
x = 71,089,271.07
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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.