Finding the Fourth Proportional to 139,614,541.58, 192,689,013.76 and 106,068,819.26
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Solution
The fourth proportional to 139,614,541.58, 192,689,013.76 and 106,068,819.26 is: 146,390,884.09
Step by Step Solution
- Step 1: Write the proportion equation
139,614,541.58 : 192,689,013.76 = 106,068,819.26 : x - Step 2: Convert to fraction form
139,614,541.58/192,689,013.76 = 106,068,819.26/x - Step 3: Cross multiply
139,614,541.58x = 192,689,013.76 × 106,068,819.26 - Step 4: Simplify right side
139,614,541.58x = 20,438,296,173,897,092 - Step 5: Solve for x
x = 20,438,296,173,897,092/139,614,541.58 - Step 6: Final answer
x = 146,390,884.09
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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.