Finding the Fourth Proportional to 239,354,646.08, 330,295,176.33 and 138,875,299.34
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Solution
The fourth proportional to 239,354,646.08, 330,295,176.33 and 138,875,299.34 is: 191,639,653.69
Step by Step Solution
- Step 1: Write the proportion equation
239,354,646.08 : 330,295,176.33 = 138,875,299.34 : x - Step 2: Convert to fraction form
239,354,646.08/330,295,176.33 = 138,875,299.34/x - Step 3: Cross multiply
239,354,646.08x = 330,295,176.33 × 138,875,299.34 - Step 4: Simplify right side
239,354,646.08x = 45,869,841,483,386,832 - Step 5: Solve for x
x = 45,869,841,483,386,832/239,354,646.08 - Step 6: Final answer
x = 191,639,653.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.