Finding the Fourth Proportional to 61,434,319.68, 84,778,788.03 and 33,557,019.21
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Solution
The fourth proportional to 61,434,319.68, 84,778,788.03 and 33,557,019.21 is: 46,308,373.45
Step by Step Solution
- Step 1: Write the proportion equation
61,434,319.68 : 84,778,788.03 = 33,557,019.21 : x - Step 2: Convert to fraction form
61,434,319.68/84,778,788.03 = 33,557,019.21/x - Step 3: Cross multiply
61,434,319.68x = 84,778,788.03 × 33,557,019.21 - Step 4: Simplify right side
61,434,319.68x = 2,844,923,418,355,443 - Step 5: Solve for x
x = 2,844,923,418,355,443/61,434,319.68 - Step 6: Final answer
x = 46,308,373.45
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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.