Finding the Fourth Proportional to 186,778,094.84, 280,337,156.21 and 99,412,958.81
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Solution
The fourth proportional to 186,778,094.84, 280,337,156.21 and 99,412,958.81 is: 149,209,928.44
Step by Step Solution
- Step 1: Write the proportion equation
186,778,094.84 : 280,337,156.21 = 99,412,958.81 : x - Step 2: Convert to fraction form
186,778,094.84/280,337,156.21 = 99,412,958.81/x - Step 3: Cross multiply
186,778,094.84x = 280,337,156.21 × 99,412,958.81 - Step 4: Simplify right side
186,778,094.84x = 27,869,146,164,166,640 - Step 5: Solve for x
x = 27,869,146,164,166,640/186,778,094.84 - Step 6: Final answer
x = 149,209,928.44
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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.