Finding the Fourth Proportional to 61,480,203.44, 84,881,810.04 and 38,309,370.80
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Solution
The fourth proportional to 61,480,203.44, 84,881,810.04 and 38,309,370.80 is: 52,891,313.84
Step by Step Solution
- Step 1: Write the proportion equation
61,480,203.44 : 84,881,810.04 = 38,309,370.80 : x - Step 2: Convert to fraction form
61,480,203.44/84,881,810.04 = 38,309,370.80/x - Step 3: Cross multiply
61,480,203.44x = 84,881,810.04 × 38,309,370.80 - Step 4: Simplify right side
61,480,203.44x = 3,251,768,734,997,523 - Step 5: Solve for x
x = 3,251,768,734,997,523/61,480,203.44 - Step 6: Final answer
x = 52,891,313.84
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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.