Finding the Fourth Proportional to 73,812,167.80, 110,718,251.70 and 30,667,031.80
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Solution
The fourth proportional to 73,812,167.80, 110,718,251.70 and 30,667,031.80 is: 46,000,547.70
Step by Step Solution
- Step 1: Write the proportion equation
73,812,167.80 : 110,718,251.70 = 30,667,031.80 : x - Step 2: Convert to fraction form
73,812,167.80/110,718,251.70 = 30,667,031.80/x - Step 3: Cross multiply
73,812,167.80x = 110,718,251.70 × 30,667,031.80 - Step 4: Simplify right side
73,812,167.80x = 3,395,400,145,724,304 - Step 5: Solve for x
x = 3,395,400,145,724,304/73,812,167.80 - Step 6: Final answer
x = 46,000,547.70
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1.5x scale
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.