Finding the Fourth Proportional to 55,145,079.60, 82,721,305.80 and 18,752,938.80
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Solution
The fourth proportional to 55,145,079.60, 82,721,305.80 and 18,752,938.80 is: 28,130,661.82
Step by Step Solution
- Step 1: Write the proportion equation
55,145,079.60 : 82,721,305.80 = 18,752,938.80 : x - Step 2: Convert to fraction form
55,145,079.60/82,721,305.80 = 18,752,938.80/x - Step 3: Cross multiply
55,145,079.60x = 82,721,305.80 × 18,752,938.80 - Step 4: Simplify right side
55,145,079.60x = 1,551,267,585,123,485 - Step 5: Solve for x
x = 1,551,267,585,123,485/55,145,079.60 - Step 6: Final answer
x = 28,130,661.82
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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.