Finding the Fourth Proportional to 83,651,783.09, 115,391,380.72 and 52,235,295.47
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Solution
The fourth proportional to 83,651,783.09, 115,391,380.72 and 52,235,295.47 is: 72,054,684.84
Step by Step Solution
- Step 1: Write the proportion equation
83,651,783.09 : 115,391,380.72 = 52,235,295.47 : x - Step 2: Convert to fraction form
83,651,783.09/115,391,380.72 = 52,235,295.47/x - Step 3: Cross multiply
83,651,783.09x = 115,391,380.72 × 52,235,295.47 - Step 4: Simplify right side
83,651,783.09x = 6,027,502,866,600,461 - Step 5: Solve for x
x = 6,027,502,866,600,461/83,651,783.09 - Step 6: Final answer
x = 72,054,684.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.