Finding the Fourth Proportional to 65,205,030.40, 97,807,545.60 and 48,942,935.80
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Solution
The fourth proportional to 65,205,030.40, 97,807,545.60 and 48,942,935.80 is: 73,414,403.70
Step by Step Solution
- Step 1: Write the proportion equation
65,205,030.40 : 97,807,545.60 = 48,942,935.80 : x - Step 2: Convert to fraction form
65,205,030.40/97,807,545.60 = 48,942,935.80/x - Step 3: Cross multiply
65,205,030.40x = 97,807,545.60 × 48,942,935.80 - Step 4: Simplify right side
65,205,030.40x = 4,786,988,425,056,372 - Step 5: Solve for x
x = 4,786,988,425,056,372/65,205,030.40 - Step 6: Final answer
x = 73,414,403.70
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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.