Finding the Fourth Proportional to 139,540,125.38, 209,294,217.20 and 37,312,134.62
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Solution
The fourth proportional to 139,540,125.38, 209,294,217.20 and 37,312,134.62 is: 55,963,931.42
Step by Step Solution
- Step 1: Write the proportion equation
139,540,125.38 : 209,294,217.20 = 37,312,134.62 : x - Step 2: Convert to fraction form
139,540,125.38/209,294,217.20 = 37,312,134.62/x - Step 3: Cross multiply
139,540,125.38x = 209,294,217.20 × 37,312,134.62 - Step 4: Simplify right side
139,540,125.38x = 7,809,214,006,400,729 - Step 5: Solve for x
x = 7,809,214,006,400,729/139,540,125.38 - Step 6: Final answer
x = 55,963,931.42
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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.