Finding the Fourth Proportional to 76,897,898.88, 106,119,438.84 and 41,615,708.28
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Solution
The fourth proportional to 76,897,898.88, 106,119,438.84 and 41,615,708.28 is: 57,429,860.55
Step by Step Solution
- Step 1: Write the proportion equation
76,897,898.88 : 106,119,438.84 = 41,615,708.28 : x - Step 2: Convert to fraction form
76,897,898.88/106,119,438.84 = 41,615,708.28/x - Step 3: Cross multiply
76,897,898.88x = 106,119,438.84 × 41,615,708.28 - Step 4: Simplify right side
76,897,898.88x = 4,416,235,609,602,742 - Step 5: Solve for x
x = 4,416,235,609,602,742/76,897,898.88 - Step 6: Final answer
x = 57,429,860.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.