Finding the Fourth Proportional to 286,574,611.41, 429,859,554.93 and 82,102,883.49
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Solution
The fourth proportional to 286,574,611.41, 429,859,554.93 and 82,102,883.49 is: 123,153,648.48
Step by Step Solution
- Step 1: Write the proportion equation
286,574,611.41 : 429,859,554.93 = 82,102,883.49 : x - Step 2: Convert to fraction form
286,574,611.41/429,859,554.93 = 82,102,883.49/x - Step 3: Cross multiply
286,574,611.41x = 429,859,554.93 × 82,102,883.49 - Step 4: Simplify right side
286,574,611.41x = 35,292,708,955,481,044 - Step 5: Solve for x
x = 35,292,708,955,481,044/286,574,611.41 - Step 6: Final answer
x = 123,153,648.48
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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.