Finding the Fourth Proportional to 79,640,673.12, 119,507,374.08 and 33,579,653.76
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Solution
The fourth proportional to 79,640,673.12, 119,507,374.08 and 33,579,653.76 is: 50,389,029.70
Step by Step Solution
- Step 1: Write the proportion equation
79,640,673.12 : 119,507,374.08 = 33,579,653.76 : x - Step 2: Convert to fraction form
79,640,673.12/119,507,374.08 = 33,579,653.76/x - Step 3: Cross multiply
79,640,673.12x = 119,507,374.08 × 33,579,653.76 - Step 4: Simplify right side
79,640,673.12x = 4,013,016,243,373,198 - Step 5: Solve for x
x = 4,013,016,243,373,198/79,640,673.12 - Step 6: Final answer
x = 50,389,029.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.