Finding the Fourth Proportional to 148,051,219.80, 204,317,067.02 and 81,971,716.06
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Solution
The fourth proportional to 148,051,219.80, 204,317,067.02 and 81,971,716.06 is: 113,124,502.63
Step by Step Solution
- Step 1: Write the proportion equation
148,051,219.80 : 204,317,067.02 = 81,971,716.06 : x - Step 2: Convert to fraction form
148,051,219.80/204,317,067.02 = 81,971,716.06/x - Step 3: Cross multiply
148,051,219.80x = 204,317,067.02 × 81,971,716.06 - Step 4: Simplify right side
148,051,219.80x = 16,748,220,603,975,432 - Step 5: Solve for x
x = 16,748,220,603,975,432/148,051,219.80 - Step 6: Final answer
x = 113,124,502.63
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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.