Finding the Fourth Proportional to 52,495,251.40, 78,742,877.10 and 48,338,201.80
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Solution
The fourth proportional to 52,495,251.40, 78,742,877.10 and 48,338,201.80 is: 72,507,302.70
Step by Step Solution
- Step 1: Write the proportion equation
52,495,251.40 : 78,742,877.10 = 48,338,201.80 : x - Step 2: Convert to fraction form
52,495,251.40/78,742,877.10 = 48,338,201.80/x - Step 3: Cross multiply
52,495,251.40x = 78,742,877.10 × 48,338,201.80 - Step 4: Simplify right side
52,495,251.40x = 3,806,289,083,572,398.50 - Step 5: Solve for x
x = 3,806,289,083,572,398.50/52,495,251.40 - Step 6: Final answer
x = 72,507,302.70
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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.