Finding the Fourth Proportional to 73,615,933.12, 101,590,391.28 and 42,694,435.84
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Solution
The fourth proportional to 73,615,933.12, 101,590,391.28 and 42,694,435.84 is: 58,918,555.52
Step by Step Solution
- Step 1: Write the proportion equation
73,615,933.12 : 101,590,391.28 = 42,694,435.84 : x - Step 2: Convert to fraction form
73,615,933.12/101,590,391.28 = 42,694,435.84/x - Step 3: Cross multiply
73,615,933.12x = 101,590,391.28 × 42,694,435.84 - Step 4: Simplify right side
73,615,933.12x = 4,337,344,442,464,456 - Step 5: Solve for x
x = 4,337,344,442,464,456/73,615,933.12 - Step 6: Final answer
x = 58,918,555.52
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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.