Finding the Fourth Proportional to 98,862,001.05, 148,293,001.58 and 66,529,393.05
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Solution
The fourth proportional to 98,862,001.05, 148,293,001.58 and 66,529,393.05 is: 99,794,089.58
Step by Step Solution
- Step 1: Write the proportion equation
98,862,001.05 : 148,293,001.58 = 66,529,393.05 : x - Step 2: Convert to fraction form
98,862,001.05/148,293,001.58 = 66,529,393.05/x - Step 3: Cross multiply
98,862,001.05x = 148,293,001.58 × 66,529,393.05 - Step 4: Simplify right side
98,862,001.05x = 9,865,843,388,347,442 - Step 5: Solve for x
x = 9,865,843,388,347,442/98,862,001.05 - Step 6: Final answer
x = 99,794,089.58
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1.5x scale
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.