Finding the Fourth Proportional to 97,398,769.98, 134,412,478.37 and 55,582,002.90
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Solution
The fourth proportional to 97,398,769.98, 134,412,478.37 and 55,582,002.90 is: 76,704,405.65
Step by Step Solution
- Step 1: Write the proportion equation
97,398,769.98 : 134,412,478.37 = 55,582,002.90 : x - Step 2: Convert to fraction form
97,398,769.98/134,412,478.37 = 55,582,002.90/x - Step 3: Cross multiply
97,398,769.98x = 134,412,478.37 × 55,582,002.90 - Step 4: Simplify right side
97,398,769.98x = 7,470,914,762,279,618 - Step 5: Solve for x
x = 7,470,914,762,279,618/97,398,769.98 - Step 6: Final answer
x = 76,704,405.65
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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.