Finding the Fourth Proportional to 138,179,546.28, 207,341,052.84 and 56,358,452.52
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Solution
The fourth proportional to 138,179,546.28, 207,341,052.84 and 56,358,452.52 is: 84,566,936.25
Step by Step Solution
- Step 1: Write the proportion equation
138,179,546.28 : 207,341,052.84 = 56,358,452.52 : x - Step 2: Convert to fraction form
138,179,546.28/207,341,052.84 = 56,358,452.52/x - Step 3: Cross multiply
138,179,546.28x = 207,341,052.84 × 56,358,452.52 - Step 4: Simplify right side
138,179,546.28x = 11,685,420,881,929,952 - Step 5: Solve for x
x = 11,685,420,881,929,952/138,179,546.28 - Step 6: Final answer
x = 84,566,936.25
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.