Finding the Fourth Proportional to 101,146,873.68, 139,583,028.60 and 54,737,113.68
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Solution
The fourth proportional to 101,146,873.68, 139,583,028.60 and 54,737,113.68 is: 75,537,402.46
Step by Step Solution
- Step 1: Write the proportion equation
101,146,873.68 : 139,583,028.60 = 54,737,113.68 : x - Step 2: Convert to fraction form
101,146,873.68/139,583,028.60 = 54,737,113.68/x - Step 3: Cross multiply
101,146,873.68x = 139,583,028.60 × 54,737,113.68 - Step 4: Simplify right side
101,146,873.68x = 7,640,372,104,276,891 - Step 5: Solve for x
x = 7,640,372,104,276,891/101,146,873.68 - Step 6: Final answer
x = 75,537,402.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.