Finding the Fourth Proportional to 101,701,878.93, 140,347,901.93 and 55,292,133.02
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Solution
The fourth proportional to 101,701,878.93, 140,347,901.93 and 55,292,133.02 is: 76,302,767.89
Step by Step Solution
- Step 1: Write the proportion equation
101,701,878.93 : 140,347,901.93 = 55,292,133.02 : x - Step 2: Convert to fraction form
101,701,878.93/140,347,901.93 = 55,292,133.02/x - Step 3: Cross multiply
101,701,878.93x = 140,347,901.93 × 55,292,133.02 - Step 4: Simplify right side
101,701,878.93x = 7,760,134,861,613,275 - Step 5: Solve for x
x = 7,760,134,861,613,275/101,701,878.93 - Step 6: Final answer
x = 76,302,767.89
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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.