Finding the Fourth Proportional to 252,835,119.20, 348,940,780.80 and 142,833,918.08
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Solution
The fourth proportional to 252,835,119.20, 348,940,780.80 and 142,833,918.08 is: 197,126,803.65
Step by Step Solution
- Step 1: Write the proportion equation
252,835,119.20 : 348,940,780.80 = 142,833,918.08 : x - Step 2: Convert to fraction form
252,835,119.20/348,940,780.80 = 142,833,918.08/x - Step 3: Cross multiply
252,835,119.20x = 348,940,780.80 × 142,833,918.08 - Step 4: Simplify right side
252,835,119.20x = 49,840,578,899,558,440 - Step 5: Solve for x
x = 49,840,578,899,558,440/252,835,119.20 - Step 6: Final answer
x = 197,126,803.65
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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.