Finding the Fourth Proportional to 61,534,562.12, 84,943,842.63 and 38,341,148.28
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Solution
The fourth proportional to 61,534,562.12, 84,943,842.63 and 38,341,148.28 is: 52,927,076.32
Step by Step Solution
- Step 1: Write the proportion equation
61,534,562.12 : 84,943,842.63 = 38,341,148.28 : x - Step 2: Convert to fraction form
61,534,562.12/84,943,842.63 = 38,341,148.28/x - Step 3: Cross multiply
61,534,562.12x = 84,943,842.63 × 38,341,148.28 - Step 4: Simplify right side
61,534,562.12x = 3,256,844,465,606,036 - Step 5: Solve for x
x = 3,256,844,465,606,036/61,534,562.12 - Step 6: Final answer
x = 52,927,076.32
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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.