Finding the Fourth Proportional to 93,187,926.85, 139,781,890.23 and 28,491,732
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Solution
The fourth proportional to 93,187,926.85, 139,781,890.23 and 28,491,732 is: 42,737,597.99
Step by Step Solution
- Step 1: Write the proportion equation
93,187,926.85 : 139,781,890.23 = 28,491,732 : x - Step 2: Convert to fraction form
93,187,926.85/139,781,890.23 = 28,491,732/x - Step 3: Cross multiply
93,187,926.85x = 139,781,890.23 × 28,491,732 - Step 4: Simplify right side
93,187,926.85x = 3,982,628,154,886,578 - Step 5: Solve for x
x = 3,982,628,154,886,578/93,187,926.85 - Step 6: Final answer
x = 42,737,597.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.