Finding the Fourth Proportional to 102,736,882.97, 141,778,291.23 and 56,327,037.11
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Solution
The fourth proportional to 102,736,882.97, 141,778,291.23 and 56,327,037.11 is: 77,732,074.79
Step by Step Solution
- Step 1: Write the proportion equation
102,736,882.97 : 141,778,291.23 = 56,327,037.11 : x - Step 2: Convert to fraction form
102,736,882.97/141,778,291.23 = 56,327,037.11/x - Step 3: Cross multiply
102,736,882.97x = 141,778,291.23 × 56,327,037.11 - Step 4: Simplify right side
102,736,882.97x = 7,985,951,070,795,705 - Step 5: Solve for x
x = 7,985,951,070,795,705/102,736,882.97 - Step 6: Final answer
x = 77,732,074.79
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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.