Finding the Fourth Proportional to 53,697,455.84, 74,096,965.68 and 30,172,256.48
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Solution
The fourth proportional to 53,697,455.84, 74,096,965.68 and 30,172,256.48 is: 41,634,610.39
Step by Step Solution
- Step 1: Write the proportion equation
53,697,455.84 : 74,096,965.68 = 30,172,256.48 : x - Step 2: Convert to fraction form
53,697,455.84/74,096,965.68 = 30,172,256.48/x - Step 3: Cross multiply
53,697,455.84x = 74,096,965.68 × 30,172,256.48 - Step 4: Simplify right side
53,697,455.84x = 2,235,672,652,886,717.75 - Step 5: Solve for x
x = 2,235,672,652,886,717.75/53,697,455.84 - Step 6: Final answer
x = 41,634,610.39
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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.