Finding the Fourth Proportional to 107,806,119.86, 148,772,446.09 and 61,400,691.74
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Solution
The fourth proportional to 107,806,119.86, 148,772,446.09 and 61,400,691.74 is: 84,732,954.99
Step by Step Solution
- Step 1: Write the proportion equation
107,806,119.86 : 148,772,446.09 = 61,400,691.74 : x - Step 2: Convert to fraction form
107,806,119.86/148,772,446.09 = 61,400,691.74/x - Step 3: Cross multiply
107,806,119.86x = 148,772,446.09 × 61,400,691.74 - Step 4: Simplify right side
107,806,119.86x = 9,134,731,101,996,288 - Step 5: Solve for x
x = 9,134,731,101,996,288/107,806,119.86 - Step 6: Final answer
x = 84,732,954.99
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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.