Finding the Fourth Proportional to 105,174,289.62, 158,479,325.84 and 86,425,051.14
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Solution
The fourth proportional to 105,174,289.62, 158,479,325.84 and 86,425,051.14 is: 130,227,490.86
Step by Step Solution
- Step 1: Write the proportion equation
105,174,289.62 : 158,479,325.84 = 86,425,051.14 : x - Step 2: Convert to fraction form
105,174,289.62/158,479,325.84 = 86,425,051.14/x - Step 3: Cross multiply
105,174,289.62x = 158,479,325.84 × 86,425,051.14 - Step 4: Simplify right side
105,174,289.62x = 13,696,583,840,084,214 - Step 5: Solve for x
x = 13,696,583,840,084,214/105,174,289.62 - Step 6: Final answer
x = 130,227,490.86
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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.