Finding the Fourth Proportional to 89,921,063.58, 124,094,076.84 and 55,107,030.84
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Solution
The fourth proportional to 89,921,063.58, 124,094,076.84 and 55,107,030.84 is: 76,049,546.65
Step by Step Solution
- Step 1: Write the proportion equation
89,921,063.58 : 124,094,076.84 = 55,107,030.84 : x - Step 2: Convert to fraction form
89,921,063.58/124,094,076.84 = 55,107,030.84/x - Step 3: Cross multiply
89,921,063.58x = 124,094,076.84 × 55,107,030.84 - Step 4: Simplify right side
89,921,063.58x = 6,838,456,119,483,210 - Step 5: Solve for x
x = 6,838,456,119,483,210/89,921,063.58 - Step 6: Final answer
x = 76,049,546.65
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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.