Finding the Fourth Proportional to 212,729,455.74, 319,127,175.70 and 89,908,290.24
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Solution
The fourth proportional to 212,729,455.74, 319,127,175.70 and 89,908,290.24 is: 134,876,379.19
Step by Step Solution
- Step 1: Write the proportion equation
212,729,455.74 : 319,127,175.70 = 89,908,290.24 : x - Step 2: Convert to fraction form
212,729,455.74/319,127,175.70 = 89,908,290.24/x - Step 3: Cross multiply
212,729,455.74x = 319,127,175.70 × 89,908,290.24 - Step 4: Simplify right side
212,729,455.74x = 28,692,178,736,307,072 - Step 5: Solve for x
x = 28,692,178,736,307,072/212,729,455.74 - Step 6: Final answer
x = 134,876,379.19
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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.