Finding the Fourth Proportional to 239,049,931.79, 329,885,552.52 and 133,207,808.15
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Solution
The fourth proportional to 239,049,931.79, 329,885,552.52 and 133,207,808.15 is: 183,824,906.63
Step by Step Solution
- Step 1: Write the proportion equation
239,049,931.79 : 329,885,552.52 = 133,207,808.15 : x - Step 2: Convert to fraction form
239,049,931.79/329,885,552.52 = 133,207,808.15/x - Step 3: Cross multiply
239,049,931.79x = 329,885,552.52 × 133,207,808.15 - Step 4: Simplify right side
239,049,931.79x = 43,943,331,389,891,480 - Step 5: Solve for x
x = 43,943,331,389,891,480/239,049,931.79 - Step 6: Final answer
x = 183,824,906.63
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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.