Finding the Fourth Proportional to 69,899,008.48, 96,461,079.36 and 38,961,139.36
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Solution
The fourth proportional to 69,899,008.48, 96,461,079.36 and 38,961,139.36 is: 53,766,621.84
Step by Step Solution
- Step 1: Write the proportion equation
69,899,008.48 : 96,461,079.36 = 38,961,139.36 : x - Step 2: Convert to fraction form
69,899,008.48/96,461,079.36 = 38,961,139.36/x - Step 3: Cross multiply
69,899,008.48x = 96,461,079.36 × 38,961,139.36 - Step 4: Simplify right side
69,899,008.48x = 3,758,233,555,760,979.50 - Step 5: Solve for x
x = 3,758,233,555,760,979.50/69,899,008.48 - Step 6: Final answer
x = 53,766,621.84
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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.