Finding the Fourth Proportional to 121,903,637.80, 168,179,129.40 and 69,664,648
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Solution
The fourth proportional to 121,903,637.80, 168,179,129.40 and 69,664,648 is: 96,109,845.96
Step by Step Solution
- Step 1: Write the proportion equation
121,903,637.80 : 168,179,129.40 = 69,664,648 : x - Step 2: Convert to fraction form
121,903,637.80/168,179,129.40 = 69,664,648/x - Step 3: Cross multiply
121,903,637.80x = 168,179,129.40 × 69,664,648 - Step 4: Simplify right side
121,903,637.80x = 11,716,139,850,597,452 - Step 5: Solve for x
x = 11,716,139,850,597,452/121,903,637.80 - Step 6: Final answer
x = 96,109,845.96
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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.