Finding the Fourth Proportional to 194,742,084.12, 292,167,737.28 and 78,239,249.88
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Solution
The fourth proportional to 194,742,084.12, 292,167,737.28 and 78,239,249.88 is: 117,380,815.28
Step by Step Solution
- Step 1: Write the proportion equation
194,742,084.12 : 292,167,737.28 = 78,239,249.88 : x - Step 2: Convert to fraction form
194,742,084.12/292,167,737.28 = 78,239,249.88/x - Step 3: Cross multiply
194,742,084.12x = 292,167,737.28 × 78,239,249.88 - Step 4: Simplify right side
194,742,084.12x = 22,858,984,603,924,108 - Step 5: Solve for x
x = 22,858,984,603,924,108/194,742,084.12 - Step 6: Final answer
x = 117,380,815.28
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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.