Finding the Fourth Proportional to 65,023,461.81, 97,466,916.87 and 21,877,686.05
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Solution
The fourth proportional to 65,023,461.81, 97,466,916.87 and 21,877,686.05 is: 32,793,557.09
Step by Step Solution
- Step 1: Write the proportion equation
65,023,461.81 : 97,466,916.87 = 21,877,686.05 : x - Step 2: Convert to fraction form
65,023,461.81/97,466,916.87 = 21,877,686.05/x - Step 3: Cross multiply
65,023,461.81x = 97,466,916.87 × 21,877,686.05 - Step 4: Simplify right side
65,023,461.81x = 2,132,350,607,055,974.25 - Step 5: Solve for x
x = 2,132,350,607,055,974.25/65,023,461.81 - Step 6: Final answer
x = 32,793,557.09
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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.