Finding the Fourth Proportional to 160,519,715.63, 240,720,514.19 and 55,448,319.21
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Solution
The fourth proportional to 160,519,715.63, 240,720,514.19 and 55,448,319.21 is: 83,152,077.98
Step by Step Solution
- Step 1: Write the proportion equation
160,519,715.63 : 240,720,514.19 = 55,448,319.21 : x - Step 2: Convert to fraction form
160,519,715.63/240,720,514.19 = 55,448,319.21/x - Step 3: Cross multiply
160,519,715.63x = 240,720,514.19 × 55,448,319.21 - Step 4: Simplify right side
160,519,715.63x = 13,347,547,911,341,076 - Step 5: Solve for x
x = 13,347,547,911,341,076/160,519,715.63 - Step 6: Final answer
x = 83,152,077.98
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1.5x scale
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.