Finding the Fourth Proportional to 98,073,003.77, 135,340,744.70 and 56,843,810.99
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Solution
The fourth proportional to 98,073,003.77, 135,340,744.70 and 56,843,810.99 is: 78,444,458.87
Step by Step Solution
- Step 1: Write the proportion equation
98,073,003.77 : 135,340,744.70 = 56,843,810.99 : x - Step 2: Convert to fraction form
98,073,003.77/135,340,744.70 = 56,843,810.99/x - Step 3: Cross multiply
98,073,003.77x = 135,340,744.70 × 56,843,810.99 - Step 4: Simplify right side
98,073,003.77x = 7,693,283,710,688,425 - Step 5: Solve for x
x = 7,693,283,710,688,425/98,073,003.77 - Step 6: Final answer
x = 78,444,458.87
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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.