Finding the Fourth Proportional to 73,757,732.70, 110,603,421.45 and 28,304,420.70
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Solution
The fourth proportional to 73,757,732.70, 110,603,421.45 and 28,304,420.70 is: 42,443,899.20
Step by Step Solution
- Step 1: Write the proportion equation
73,757,732.70 : 110,603,421.45 = 28,304,420.70 : x - Step 2: Convert to fraction form
73,757,732.70/110,603,421.45 = 28,304,420.70/x - Step 3: Cross multiply
73,757,732.70x = 110,603,421.45 × 28,304,420.70 - Step 4: Simplify right side
73,757,732.70x = 3,130,565,771,580,204 - Step 5: Solve for x
x = 3,130,565,771,580,204/73,757,732.70 - Step 6: Final answer
x = 42,443,899.20
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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.