Finding the Fourth Proportional to 272,409,097.20, 375,932,529.72 and 148,657,750.80
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Solution
The fourth proportional to 272,409,097.20, 375,932,529.72 and 148,657,750.80 is: 205,152,048.50
Step by Step Solution
- Step 1: Write the proportion equation
272,409,097.20 : 375,932,529.72 = 148,657,750.80 : x - Step 2: Convert to fraction form
272,409,097.20/375,932,529.72 = 148,657,750.80/x - Step 3: Cross multiply
272,409,097.20x = 375,932,529.72 × 148,657,750.80 - Step 4: Simplify right side
272,409,097.20x = 55,885,284,320,729,360 - Step 5: Solve for x
x = 55,885,284,320,729,360/272,409,097.20 - Step 6: Final answer
x = 205,152,048.50
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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.