Finding the Fourth Proportional to 42,203,999.80, 59,219,969 and 42,203,999.80
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Solution
The fourth proportional to 42,203,999.80, 59,219,969 and 42,203,999.80 is: 59,219,969
Step by Step Solution
- Step 1: Write the proportion equation
42,203,999.80 : 59,219,969 = 42,203,999.80 : x - Step 2: Convert to fraction form
42,203,999.80/59,219,969 = 42,203,999.80/x - Step 3: Cross multiply
42,203,999.80x = 59,219,969 × 42,203,999.80 - Step 4: Simplify right side
42,203,999.80x = 2,499,319,559,832,006 - Step 5: Solve for x
x = 2,499,319,559,832,006/42,203,999.80 - Step 6: Final answer
x = 59,219,969
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.