Finding the Fourth Proportional to 87,675,255,923.58, 120,991,853,181.96 and 47,577,235,312.08
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Solution
The fourth proportional to 87,675,255,923.58, 120,991,853,181.96 and 47,577,235,312.08 is: 65,656,584,734.70
Step by Step Solution
- Step 1: Write the proportion equation
87,675,255,923.58 : 120,991,853,181.96 = 47,577,235,312.08 : x - Step 2: Convert to fraction form
87,675,255,923.58/120,991,853,181.96 = 47,577,235,312.08/x - Step 3: Cross multiply
87,675,255,923.58x = 120,991,853,181.96 × 47,577,235,312.08 - Step 4: Simplify right side
87,675,255,923.58x = 5,756,457,869,682,747,113,472 - Step 5: Solve for x
x = 5,756,457,869,682,747,113,472/87,675,255,923.58 - Step 6: Final answer
x = 65,656,584,734.70
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1.5x scale
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.