Finding the Fourth Proportional to 352,272,037.20, 528,408,055.80 and 122,217,133.20
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Solution
The fourth proportional to 352,272,037.20, 528,408,055.80 and 122,217,133.20 is: 183,325,699.80
Step by Step Solution
- Step 1: Write the proportion equation
352,272,037.20 : 528,408,055.80 = 122,217,133.20 : x - Step 2: Convert to fraction form
352,272,037.20/528,408,055.80 = 122,217,133.20/x - Step 3: Cross multiply
352,272,037.20x = 528,408,055.80 × 122,217,133.20 - Step 4: Simplify right side
352,272,037.20x = 64,580,517,739,661,632 - Step 5: Solve for x
x = 64,580,517,739,661,632/352,272,037.20 - Step 6: Final answer
x = 183,325,699.80
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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.