Finding the Fourth Proportional to 83,570,535.84, 125,356,721.76 and 25,278,805.92
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Solution
The fourth proportional to 83,570,535.84, 125,356,721.76 and 25,278,805.92 is: 37,918,486.56
Step by Step Solution
- Step 1: Write the proportion equation
83,570,535.84 : 125,356,721.76 = 25,278,805.92 : x - Step 2: Convert to fraction form
83,570,535.84/125,356,721.76 = 25,278,805.92/x - Step 3: Cross multiply
83,570,535.84x = 125,356,721.76 × 25,278,805.92 - Step 4: Simplify right side
83,570,535.84x = 3,168,868,240,138,481 - Step 5: Solve for x
x = 3,168,868,240,138,481/83,570,535.84 - Step 6: Final answer
x = 37,918,486.56
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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.