Finding the Fourth Proportional to 77,875,786.26, 107,456,646.06 and 44,829,647.64
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Solution
The fourth proportional to 77,875,786.26, 107,456,646.06 and 44,829,647.64 is: 61,858,041.00
Step by Step Solution
- Step 1: Write the proportion equation
77,875,786.26 : 107,456,646.06 = 44,829,647.64 : x - Step 2: Convert to fraction form
77,875,786.26/107,456,646.06 = 44,829,647.64/x - Step 3: Cross multiply
77,875,786.26x = 107,456,646.06 × 44,829,647.64 - Step 4: Simplify right side
77,875,786.26x = 4,817,243,579,445,994 - Step 5: Solve for x
x = 4,817,243,579,445,994/77,875,786.26 - Step 6: Final answer
x = 61,858,041.00
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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.