Finding the Fourth Proportional to 194,742,031.88, 292,167,658.73 and 78,239,197.49
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Solution
The fourth proportional to 194,742,031.88, 292,167,658.73 and 78,239,197.49 is: 117,380,736.60
Step by Step Solution
- Step 1: Write the proportion equation
194,742,031.88 : 292,167,658.73 = 78,239,197.49 : x - Step 2: Convert to fraction form
194,742,031.88/292,167,658.73 = 78,239,197.49/x - Step 3: Cross multiply
194,742,031.88x = 292,167,658.73 × 78,239,197.49 - Step 4: Simplify right side
194,742,031.88x = 22,858,963,150,302,152 - Step 5: Solve for x
x = 22,858,963,150,302,152/194,742,031.88 - Step 6: Final answer
x = 117,380,736.60
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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.