Finding the Fourth Proportional to 57,130,082.20, 85,683,968.55 and 18,258,107.05
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Solution
The fourth proportional to 57,130,082.20, 85,683,968.55 and 18,258,107.05 is: 27,383,595.65
Step by Step Solution
- Step 1: Write the proportion equation
57,130,082.20 : 85,683,968.55 = 18,258,107.05 : x - Step 2: Convert to fraction form
57,130,082.20/85,683,968.55 = 18,258,107.05/x - Step 3: Cross multiply
57,130,082.20x = 85,683,968.55 × 18,258,107.05 - Step 4: Simplify right side
57,130,082.20x = 1,564,427,070,254,733.25 - Step 5: Solve for x
x = 1,564,427,070,254,733.25/57,130,082.20 - Step 6: Final answer
x = 27,383,595.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.