Finding the Fourth Proportional to 163,120,130.48, 225,105,767.48 and 88,781,224.08
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Solution
The fourth proportional to 163,120,130.48, 225,105,767.48 and 88,781,224.08 is: 122,518,082.38
Step by Step Solution
- Step 1: Write the proportion equation
163,120,130.48 : 225,105,767.48 = 88,781,224.08 : x - Step 2: Convert to fraction form
163,120,130.48/225,105,767.48 = 88,781,224.08/x - Step 3: Cross multiply
163,120,130.48x = 225,105,767.48 × 88,781,224.08 - Step 4: Simplify right side
163,120,130.48x = 19,985,165,584,342,256 - Step 5: Solve for x
x = 19,985,165,584,342,256/163,120,130.48 - Step 6: Final answer
x = 122,518,082.38
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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.