Finding the Fourth Proportional to 75,378,381.64, 104,034,507.36 and 62,799,488.44
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Solution
The fourth proportional to 75,378,381.64, 104,034,507.36 and 62,799,488.44 is: 86,673,575.37
Step by Step Solution
- Step 1: Write the proportion equation
75,378,381.64 : 104,034,507.36 = 62,799,488.44 : x - Step 2: Convert to fraction form
75,378,381.64/104,034,507.36 = 62,799,488.44/x - Step 3: Cross multiply
75,378,381.64x = 104,034,507.36 × 62,799,488.44 - Step 4: Simplify right side
75,378,381.64x = 6,533,313,842,315,415 - Step 5: Solve for x
x = 6,533,313,842,315,415/75,378,381.64 - Step 6: Final answer
x = 86,673,575.37
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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.