Finding the Fourth Proportional to 83,576,689.63, 124,802,227.69 and 68,254,375.21
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Solution
The fourth proportional to 83,576,689.63, 124,802,227.69 and 68,254,375.21 is: 101,921,936.76
Step by Step Solution
- Step 1: Write the proportion equation
83,576,689.63 : 124,802,227.69 = 68,254,375.21 : x - Step 2: Convert to fraction form
83,576,689.63/124,802,227.69 = 68,254,375.21/x - Step 3: Cross multiply
83,576,689.63x = 124,802,227.69 × 68,254,375.21 - Step 4: Simplify right side
83,576,689.63x = 8,518,298,075,698,059 - Step 5: Solve for x
x = 8,518,298,075,698,059/83,576,689.63 - Step 6: Final answer
x = 101,921,936.76
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.