Finding the Fourth Proportional to 105,174,614.56, 158,479,816.08 and 86,425,376.08
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Solution
The fourth proportional to 105,174,614.56, 158,479,816.08 and 86,425,376.08 is: 130,227,980.99
Step by Step Solution
- Step 1: Write the proportion equation
105,174,614.56 : 158,479,816.08 = 86,425,376.08 : x - Step 2: Convert to fraction form
105,174,614.56/158,479,816.08 = 86,425,376.08/x - Step 3: Cross multiply
105,174,614.56x = 158,479,816.08 × 86,425,376.08 - Step 4: Simplify right side
105,174,614.56x = 13,696,677,705,803,232 - Step 5: Solve for x
x = 13,696,677,705,803,232/105,174,614.56 - Step 6: Final answer
x = 130,227,980.99
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.