Finding the Fourth Proportional to 57,863,908.80, 86,735,498.64 and 19,512,236.16
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Solution
The fourth proportional to 57,863,908.80, 86,735,498.64 and 19,512,236.16 is: 29,247,998.76
Step by Step Solution
- Step 1: Write the proportion equation
57,863,908.80 : 86,735,498.64 = 19,512,236.16 : x - Step 2: Convert to fraction form
57,863,908.80/86,735,498.64 = 19,512,236.16/x - Step 3: Cross multiply
57,863,908.80x = 86,735,498.64 × 19,512,236.16 - Step 4: Simplify right side
57,863,908.80x = 1,692,403,532,919,038.75 - Step 5: Solve for x
x = 1,692,403,532,919,038.75/57,863,908.80 - Step 6: Final answer
x = 29,247,998.76
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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.