Finding the Fourth Proportional to 107,663,952.18, 148,556,655.65 and 60,613,708.98
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Solution
The fourth proportional to 107,663,952.18, 148,556,655.65 and 60,613,708.98 is: 83,635,884.72
Step by Step Solution
- Step 1: Write the proportion equation
107,663,952.18 : 148,556,655.65 = 60,613,708.98 : x - Step 2: Convert to fraction form
107,663,952.18/148,556,655.65 = 60,613,708.98/x - Step 3: Cross multiply
107,663,952.18x = 148,556,655.65 × 60,613,708.98 - Step 4: Simplify right side
107,663,952.18x = 9,004,569,892,831,031 - Step 5: Solve for x
x = 9,004,569,892,831,031/107,663,952.18 - Step 6: Final answer
x = 83,635,884.72
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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.