Finding the Fourth Proportional to 102,057,618.80, 153,086,428.20 and 97,806,090.80
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Solution
The fourth proportional to 102,057,618.80, 153,086,428.20 and 97,806,090.80 is: 146,709,136.20
Step by Step Solution
- Step 1: Write the proportion equation
102,057,618.80 : 153,086,428.20 = 97,806,090.80 : x - Step 2: Convert to fraction form
102,057,618.80/153,086,428.20 = 97,806,090.80/x - Step 3: Cross multiply
102,057,618.80x = 153,086,428.20 × 97,806,090.80 - Step 4: Simplify right side
102,057,618.80x = 14,972,785,096,776,878 - Step 5: Solve for x
x = 14,972,785,096,776,878/102,057,618.80 - Step 6: Final answer
x = 146,709,136.20
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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.