Finding the Fourth Proportional to 48,444,811.80, 72,667,217.70 and 48,444,811.80
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Solution
The fourth proportional to 48,444,811.80, 72,667,217.70 and 48,444,811.80 is: 72,667,217.70
Step by Step Solution
- Step 1: Write the proportion equation
48,444,811.80 : 72,667,217.70 = 48,444,811.80 : x - Step 2: Convert to fraction form
48,444,811.80/72,667,217.70 = 48,444,811.80/x - Step 3: Cross multiply
48,444,811.80x = 72,667,217.70 × 48,444,811.80 - Step 4: Simplify right side
48,444,811.80x = 3,520,349,685,506,129 - Step 5: Solve for x
x = 3,520,349,685,506,129/48,444,811.80 - Step 6: Final answer
x = 72,667,217.70
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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.