Finding the Fourth Proportional to 87,675,255,928.60, 120,991,853,188.86 and 47,577,235,317.08
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Solution
The fourth proportional to 87,675,255,928.60, 120,991,853,188.86 and 47,577,235,317.08 is: 65,656,584,741.58
Step by Step Solution
- Step 1: Write the proportion equation
87,675,255,928.60 : 120,991,853,188.86 = 47,577,235,317.08 : x - Step 2: Convert to fraction form
87,675,255,928.60/120,991,853,188.86 = 47,577,235,317.08/x - Step 3: Cross multiply
87,675,255,928.60x = 120,991,853,188.86 × 47,577,235,317.08 - Step 4: Simplify right side
87,675,255,928.60x = 5,756,457,870,615,988,142,080 - Step 5: Solve for x
x = 5,756,457,870,615,988,142,080/87,675,255,928.60 - Step 6: Final answer
x = 65,656,584,741.58
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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.