Finding the Fourth Proportional to 245,528,005.14, 338,778,067.68 and 141,085,898.28
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Solution
The fourth proportional to 245,528,005.14, 338,778,067.68 and 141,085,898.28 is: 194,669,475.56
Step by Step Solution
- Step 1: Write the proportion equation
245,528,005.14 : 338,778,067.68 = 141,085,898.28 : x - Step 2: Convert to fraction form
245,528,005.14/338,778,067.68 = 141,085,898.28/x - Step 3: Cross multiply
245,528,005.14x = 338,778,067.68 × 141,085,898.28 - Step 4: Simplify right side
245,528,005.14x = 47,796,807,996,195,440 - Step 5: Solve for x
x = 47,796,807,996,195,440/245,528,005.14 - Step 6: Final answer
x = 194,669,475.56
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1.5x scale
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.