Finding the Fourth Proportional to 134,730,206.40, 202,095,309.60 and 48,471,427.20
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Solution
The fourth proportional to 134,730,206.40, 202,095,309.60 and 48,471,427.20 is: 72,707,140.80
Step by Step Solution
- Step 1: Write the proportion equation
134,730,206.40 : 202,095,309.60 = 48,471,427.20 : x - Step 2: Convert to fraction form
134,730,206.40/202,095,309.60 = 48,471,427.20/x - Step 3: Cross multiply
134,730,206.40x = 202,095,309.60 × 48,471,427.20 - Step 4: Simplify right side
134,730,206.40x = 9,795,848,086,737,862 - Step 5: Solve for x
x = 9,795,848,086,737,862/134,730,206.40 - Step 6: Final answer
x = 72,707,140.80
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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.