Finding the Fourth Proportional to 92,924,380.74, 128,251,696.38 and 53,787,736.29
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Solution
The fourth proportional to 92,924,380.74, 128,251,696.38 and 53,787,736.29 is: 74,236,366.91
Step by Step Solution
- Step 1: Write the proportion equation
92,924,380.74 : 128,251,696.38 = 53,787,736.29 : x - Step 2: Convert to fraction form
92,924,380.74/128,251,696.38 = 53,787,736.29/x - Step 3: Cross multiply
92,924,380.74x = 128,251,696.38 × 53,787,736.29 - Step 4: Simplify right side
92,924,380.74x = 6,898,368,423,632,587 - Step 5: Solve for x
x = 6,898,368,423,632,587/92,924,380.74 - Step 6: Final answer
x = 74,236,366.91
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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.