Finding the Fourth Proportional to 86,128,986,412.04, 118,853,042,251.38 and 48,064,205,922.44
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Solution
The fourth proportional to 86,128,986,412.04, 118,853,042,251.38 and 48,064,205,922.44 is: 66,325,836,808.88
Step by Step Solution
- Step 1: Write the proportion equation
86,128,986,412.04 : 118,853,042,251.38 = 48,064,205,922.44 : x - Step 2: Convert to fraction form
86,128,986,412.04/118,853,042,251.38 = 48,064,205,922.44/x - Step 3: Cross multiply
86,128,986,412.04x = 118,853,042,251.38 × 48,064,205,922.44 - Step 4: Simplify right side
86,128,986,412.04x = 5,712,577,097,278,791,090,176 - Step 5: Solve for x
x = 5,712,577,097,278,791,090,176/86,128,986,412.04 - Step 6: Final answer
x = 66,325,836,808.88
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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.