Finding the Fourth Proportional to 201,705,614.30, 302,516,431.05 and 86,693,908.70
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Solution
The fourth proportional to 201,705,614.30, 302,516,431.05 and 86,693,908.70 is: 130,022,815.40
Step by Step Solution
- Step 1: Write the proportion equation
201,705,614.30 : 302,516,431.05 = 86,693,908.70 : x - Step 2: Convert to fraction form
201,705,614.30/302,516,431.05 = 86,693,908.70/x - Step 3: Cross multiply
201,705,614.30x = 302,516,431.05 × 86,693,908.70 - Step 4: Simplify right side
201,705,614.30x = 26,226,331,853,698,548 - Step 5: Solve for x
x = 26,226,331,853,698,548/201,705,614.30 - Step 6: Final answer
x = 130,022,815.40
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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.