Finding the Fourth Proportional to 83,106,828.42, 124,654,330.32 and 25,593,102.42
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Solution
The fourth proportional to 83,106,828.42, 124,654,330.32 and 25,593,102.42 is: 38,387,832.91
Step by Step Solution
- Step 1: Write the proportion equation
83,106,828.42 : 124,654,330.32 = 25,593,102.42 : x - Step 2: Convert to fraction form
83,106,828.42/124,654,330.32 = 25,593,102.42/x - Step 3: Cross multiply
83,106,828.42x = 124,654,330.32 × 25,593,102.42 - Step 4: Simplify right side
83,106,828.42x = 3,190,291,042,976,271.50 - Step 5: Solve for x
x = 3,190,291,042,976,271.50/83,106,828.42 - Step 6: Final answer
x = 38,387,832.91
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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.