Finding the Fourth Proportional to 115,705,206.57, 159,677,788.68 and 63,496,110.63
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Solution
The fourth proportional to 115,705,206.57, 159,677,788.68 and 63,496,110.63 is: 87,627,159.02
Step by Step Solution
- Step 1: Write the proportion equation
115,705,206.57 : 159,677,788.68 = 63,496,110.63 : x - Step 2: Convert to fraction form
115,705,206.57/159,677,788.68 = 63,496,110.63/x - Step 3: Cross multiply
115,705,206.57x = 159,677,788.68 × 63,496,110.63 - Step 4: Simplify right side
115,705,206.57x = 10,138,918,535,179,042 - Step 5: Solve for x
x = 10,138,918,535,179,042/115,705,206.57 - Step 6: Final answer
x = 87,627,159.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.