Finding the Fourth Proportional to 53,030,918.84, 73,141,208.82 and 34,452,045.05
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Solution
The fourth proportional to 53,030,918.84, 73,141,208.82 and 34,452,045.05 is: 47,516,887.81
Step by Step Solution
- Step 1: Write the proportion equation
53,030,918.84 : 73,141,208.82 = 34,452,045.05 : x - Step 2: Convert to fraction form
53,030,918.84/73,141,208.82 = 34,452,045.05/x - Step 3: Cross multiply
53,030,918.84x = 73,141,208.82 × 34,452,045.05 - Step 4: Simplify right side
53,030,918.84x = 2,519,864,220,912,391 - Step 5: Solve for x
x = 2,519,864,220,912,391/53,030,918.84 - Step 6: Final answer
x = 47,516,887.81
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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.