Finding the Fourth Proportional to 186,778,088.07, 280,337,146.07 and 99,412,952.05
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Solution
The fourth proportional to 186,778,088.07, 280,337,146.07 and 99,412,952.05 is: 149,209,918.29
Step by Step Solution
- Step 1: Write the proportion equation
186,778,088.07 : 280,337,146.07 = 99,412,952.05 : x - Step 2: Convert to fraction form
186,778,088.07/280,337,146.07 = 99,412,952.05/x - Step 3: Cross multiply
186,778,088.07x = 280,337,146.07 × 99,412,952.05 - Step 4: Simplify right side
186,778,088.07x = 27,869,143,258,926,912 - Step 5: Solve for x
x = 27,869,143,258,926,912/186,778,088.07 - Step 6: Final answer
x = 149,209,918.29
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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.