Finding the Fourth Proportional to 275,330,029.22, 413,006,440.74 and 81,241,444.49
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Solution
The fourth proportional to 275,330,029.22, 413,006,440.74 and 81,241,444.49 is: 121,865,529.61
Step by Step Solution
- Step 1: Write the proportion equation
275,330,029.22 : 413,006,440.74 = 81,241,444.49 : x - Step 2: Convert to fraction form
275,330,029.22/413,006,440.74 = 81,241,444.49/x - Step 3: Cross multiply
275,330,029.22x = 413,006,440.74 × 81,241,444.49 - Step 4: Simplify right side
275,330,029.22x = 33,553,239,827,326,152 - Step 5: Solve for x
x = 33,553,239,827,326,152/275,330,029.22 - Step 6: Final answer
x = 121,865,529.61
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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.