Finding the Fourth Proportional to 163,291,225.20, 244,936,837.80 and 122,476,556.40
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Solution
The fourth proportional to 163,291,225.20, 244,936,837.80 and 122,476,556.40 is: 183,714,834.60
Step by Step Solution
- Step 1: Write the proportion equation
163,291,225.20 : 244,936,837.80 = 122,476,556.40 : x - Step 2: Convert to fraction form
163,291,225.20/244,936,837.80 = 122,476,556.40/x - Step 3: Cross multiply
163,291,225.20x = 244,936,837.80 × 122,476,556.40 - Step 4: Simplify right side
163,291,225.20x = 29,999,020,429,249,356 - Step 5: Solve for x
x = 29,999,020,429,249,356/163,291,225.20 - Step 6: Final answer
x = 183,714,834.60
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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.