Finding the Fourth Proportional to 147,933,373.62, 204,148,294.74 and 81,856,656.88
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Solution
The fourth proportional to 147,933,373.62, 204,148,294.74 and 81,856,656.88 is: 112,962,318.82
Step by Step Solution
- Step 1: Write the proportion equation
147,933,373.62 : 204,148,294.74 = 81,856,656.88 : x - Step 2: Convert to fraction form
147,933,373.62/204,148,294.74 = 81,856,656.88/x - Step 3: Cross multiply
147,933,373.62x = 204,148,294.74 × 81,856,656.88 - Step 4: Simplify right side
147,933,373.62x = 16,710,896,914,760,006 - Step 5: Solve for x
x = 16,710,896,914,760,006/147,933,373.62 - Step 6: Final answer
x = 112,962,318.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.