Finding the Fourth Proportional to 206,970,010.40, 310,670,347.72 and 152,444,163.80
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Solution
The fourth proportional to 206,970,010.40, 310,670,347.72 and 152,444,163.80 is: 228,824,848.99
Step by Step Solution
- Step 1: Write the proportion equation
206,970,010.40 : 310,670,347.72 = 152,444,163.80 : x - Step 2: Convert to fraction form
206,970,010.40/310,670,347.72 = 152,444,163.80/x - Step 3: Cross multiply
206,970,010.40x = 310,670,347.72 × 152,444,163.80 - Step 4: Simplify right side
206,970,010.40x = 47,359,881,375,630,648 - Step 5: Solve for x
x = 47,359,881,375,630,648/206,970,010.40 - Step 6: Final answer
x = 228,824,848.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.