Finding the Fourth Proportional to 265,717,259.20, 398,575,888.80 and 74,241,035.20
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Solution
The fourth proportional to 265,717,259.20, 398,575,888.80 and 74,241,035.20 is: 111,361,552.80
Step by Step Solution
- Step 1: Write the proportion equation
265,717,259.20 : 398,575,888.80 = 74,241,035.20 : x - Step 2: Convert to fraction form
265,717,259.20/398,575,888.80 = 74,241,035.20/x - Step 3: Cross multiply
265,717,259.20x = 398,575,888.80 × 74,241,035.20 - Step 4: Simplify right side
265,717,259.20x = 29,590,686,590,272,088 - Step 5: Solve for x
x = 29,590,686,590,272,088/265,717,259.20 - Step 6: Final answer
x = 111,361,552.80
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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.