Finding the Fourth Proportional to 85,648,841,624.52, 118,198,591,276.50 and 51,360,130,720.44
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Solution
The fourth proportional to 85,648,841,624.52, 118,198,591,276.50 and 51,360,130,720.44 is: 70,878,893,208.46
Step by Step Solution
- Step 1: Write the proportion equation
85,648,841,624.52 : 118,198,591,276.50 = 51,360,130,720.44 : x - Step 2: Convert to fraction form
85,648,841,624.52/118,198,591,276.50 = 51,360,130,720.44/x - Step 3: Cross multiply
85,648,841,624.52x = 118,198,591,276.50 × 51,360,130,720.44 - Step 4: Simplify right side
85,648,841,624.52x = 6,070,695,098,932,899,348,480 - Step 5: Solve for x
x = 6,070,695,098,932,899,348,480/85,648,841,624.52 - Step 6: Final answer
x = 70,878,893,208.46
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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.