Finding the Fourth Proportional to 157,073,666.13, 216,776,970.07 and 117,312,166.49
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Solution
The fourth proportional to 157,073,666.13, 216,776,970.07 and 117,312,166.49 is: 161,902,224.80
Step by Step Solution
- Step 1: Write the proportion equation
157,073,666.13 : 216,776,970.07 = 117,312,166.49 : x - Step 2: Convert to fraction form
157,073,666.13/216,776,970.07 = 117,312,166.49/x - Step 3: Cross multiply
157,073,666.13x = 216,776,970.07 × 117,312,166.49 - Step 4: Simplify right side
157,073,666.13x = 25,430,576,003,517,716 - Step 5: Solve for x
x = 25,430,576,003,517,716/157,073,666.13 - Step 6: Final answer
x = 161,902,224.80
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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.