Finding the Fourth Proportional to 64,368,423.40, 96,552,635.10 and 40,134,713.80
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Solution
The fourth proportional to 64,368,423.40, 96,552,635.10 and 40,134,713.80 is: 60,202,070.70
Step by Step Solution
- Step 1: Write the proportion equation
64,368,423.40 : 96,552,635.10 = 40,134,713.80 : x - Step 2: Convert to fraction form
64,368,423.40/96,552,635.10 = 40,134,713.80/x - Step 3: Cross multiply
64,368,423.40x = 96,552,635.10 × 40,134,713.80 - Step 4: Simplify right side
64,368,423.40x = 3,875,112,376,374,334 - Step 5: Solve for x
x = 3,875,112,376,374,334/64,368,423.40 - Step 6: Final answer
x = 60,202,070.70
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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.