Finding the Fourth Proportional to 61,850,903.40, 85,351,909.68 and 34,350,603.12
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Solution
The fourth proportional to 61,850,903.40, 85,351,909.68 and 34,350,603.12 is: 47,402,534.38
Step by Step Solution
- Step 1: Write the proportion equation
61,850,903.40 : 85,351,909.68 = 34,350,603.12 : x - Step 2: Convert to fraction form
61,850,903.40/85,351,909.68 = 34,350,603.12/x - Step 3: Cross multiply
61,850,903.40x = 85,351,909.68 × 34,350,603.12 - Step 4: Simplify right side
61,850,903.40x = 2,931,889,574,951,766 - Step 5: Solve for x
x = 2,931,889,574,951,766/61,850,903.40 - Step 6: Final answer
x = 47,402,534.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.