Finding the Fourth Proportional to 194,742,062.39, 292,167,704.70 and 78,239,228.20
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Solution
The fourth proportional to 194,742,062.39, 292,167,704.70 and 78,239,228.20 is: 117,380,782.76
Step by Step Solution
- Step 1: Write the proportion equation
194,742,062.39 : 292,167,704.70 = 78,239,228.20 : x - Step 2: Convert to fraction form
194,742,062.39/292,167,704.70 = 78,239,228.20/x - Step 3: Cross multiply
194,742,062.39x = 292,167,704.70 × 78,239,228.20 - Step 4: Simplify right side
194,742,062.39x = 22,858,975,719,963,092 - Step 5: Solve for x
x = 22,858,975,719,963,092/194,742,062.39 - Step 6: Final answer
x = 117,380,782.76
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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.