Finding the Fourth Proportional to 73,816,064.90, 110,724,097.35 and 70,120,909.70
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Solution
The fourth proportional to 73,816,064.90, 110,724,097.35 and 70,120,909.70 is: 105,181,364.55
Step by Step Solution
- Step 1: Write the proportion equation
73,816,064.90 : 110,724,097.35 = 70,120,909.70 : x - Step 2: Convert to fraction form
73,816,064.90/110,724,097.35 = 70,120,909.70/x - Step 3: Cross multiply
73,816,064.90x = 110,724,097.35 × 70,120,909.70 - Step 4: Simplify right side
73,816,064.90x = 7,764,074,431,893,359 - Step 5: Solve for x
x = 7,764,074,431,893,359/73,816,064.90 - Step 6: Final answer
x = 105,181,364.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.