Finding the Fourth Proportional to 257,720,730.48, 355,654,660.68 and 141,827,226.48
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Solution
The fourth proportional to 257,720,730.48, 355,654,660.68 and 141,827,226.48 is: 195,721,601.50
Step by Step Solution
- Step 1: Write the proportion equation
257,720,730.48 : 355,654,660.68 = 141,827,226.48 : x - Step 2: Convert to fraction form
257,720,730.48/355,654,660.68 = 141,827,226.48/x - Step 3: Cross multiply
257,720,730.48x = 355,654,660.68 × 141,827,226.48 - Step 4: Simplify right side
257,720,730.48x = 50,441,514,108,929,912 - Step 5: Solve for x
x = 50,441,514,108,929,912/257,720,730.48 - Step 6: Final answer
x = 195,721,601.50
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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.