Finding the Fourth Proportional to 64,794,712.77, 89,416,864.61 and 35,427,940.53
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Solution
The fourth proportional to 64,794,712.77, 89,416,864.61 and 35,427,940.53 is: 48,890,645.95
Step by Step Solution
- Step 1: Write the proportion equation
64,794,712.77 : 89,416,864.61 = 35,427,940.53 : x - Step 2: Convert to fraction form
64,794,712.77/89,416,864.61 = 35,427,940.53/x - Step 3: Cross multiply
64,794,712.77x = 89,416,864.61 × 35,427,940.53 - Step 4: Simplify right side
64,794,712.77x = 3,167,855,361,605,002 - Step 5: Solve for x
x = 3,167,855,361,605,002/64,794,712.77 - Step 6: Final answer
x = 48,890,645.95
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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.