Finding the Fourth Proportional to 128,654,124.12, 192,823,082.48 and 59,473,349.08
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Solution
The fourth proportional to 128,654,124.12, 192,823,082.48 and 59,473,349.08 is: 89,136,936.52
Step by Step Solution
- Step 1: Write the proportion equation
128,654,124.12 : 192,823,082.48 = 59,473,349.08 : x - Step 2: Convert to fraction form
128,654,124.12/192,823,082.48 = 59,473,349.08/x - Step 3: Cross multiply
128,654,124.12x = 192,823,082.48 × 59,473,349.08 - Step 4: Simplify right side
128,654,124.12x = 11,467,834,494,681,298 - Step 5: Solve for x
x = 11,467,834,494,681,298/128,654,124.12 - Step 6: Final answer
x = 89,136,936.52
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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.