Finding the Fourth Proportional to 194,742,086.12, 292,167,740.28 and 78,239,251.88
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Solution
The fourth proportional to 194,742,086.12, 292,167,740.28 and 78,239,251.88 is: 117,380,818.28
Step by Step Solution
- Step 1: Write the proportion equation
194,742,086.12 : 292,167,740.28 = 78,239,251.88 : x - Step 2: Convert to fraction form
194,742,086.12/292,167,740.28 = 78,239,251.88/x - Step 3: Cross multiply
194,742,086.12x = 292,167,740.28 × 78,239,251.88 - Step 4: Simplify right side
194,742,086.12x = 22,858,985,422,977,340 - Step 5: Solve for x
x = 22,858,985,422,977,340/194,742,086.12 - Step 6: Final answer
x = 117,380,818.28
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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.