Finding the Fourth Proportional to 367,905,257.66, 551,652,629.36 and 122,128,418.78
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Solution
The fourth proportional to 367,905,257.66, 551,652,629.36 and 122,128,418.78 is: 183,124,491.80
Step by Step Solution
- Step 1: Write the proportion equation
367,905,257.66 : 551,652,629.36 = 122,128,418.78 : x - Step 2: Convert to fraction form
367,905,257.66/551,652,629.36 = 122,128,418.78/x - Step 3: Cross multiply
367,905,257.66x = 551,652,629.36 × 122,128,418.78 - Step 4: Simplify right side
367,905,257.66x = 67,372,463,339,566,208 - Step 5: Solve for x
x = 67,372,463,339,566,208/367,905,257.66 - Step 6: Final answer
x = 183,124,491.80
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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.