Finding the Fourth Proportional to 107,665,235.60, 161,497,853.40 and 53,103,959.60
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Solution
The fourth proportional to 107,665,235.60, 161,497,853.40 and 53,103,959.60 is: 79,655,939.40
Step by Step Solution
- Step 1: Write the proportion equation
107,665,235.60 : 161,497,853.40 = 53,103,959.60 : x - Step 2: Convert to fraction form
107,665,235.60/161,497,853.40 = 53,103,959.60/x - Step 3: Cross multiply
107,665,235.60x = 161,497,853.40 × 53,103,959.60 - Step 4: Simplify right side
107,665,235.60x = 8,576,175,482,440,323 - Step 5: Solve for x
x = 8,576,175,482,440,323/107,665,235.60 - Step 6: Final answer
x = 79,655,939.40
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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.