Finding the Fourth Proportional to 63,234,158.68, 87,229,478.91 and 38,461,922.20
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Solution
The fourth proportional to 63,234,158.68, 87,229,478.91 and 38,461,922.20 is: 53,056,979.04
Step by Step Solution
- Step 1: Write the proportion equation
63,234,158.68 : 87,229,478.91 = 38,461,922.20 : x - Step 2: Convert to fraction form
63,234,158.68/87,229,478.91 = 38,461,922.20/x - Step 3: Cross multiply
63,234,158.68x = 87,229,478.91 × 38,461,922.20 - Step 4: Simplify right side
63,234,158.68x = 3,355,013,431,382,961 - Step 5: Solve for x
x = 3,355,013,431,382,961/63,234,158.68 - Step 6: Final answer
x = 53,056,979.04
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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.