Finding the Fourth Proportional to 97,028,266.80, 145,542,400.20 and 28,862,101.20
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Solution
The fourth proportional to 97,028,266.80, 145,542,400.20 and 28,862,101.20 is: 43,293,151.80
Step by Step Solution
- Step 1: Write the proportion equation
97,028,266.80 : 145,542,400.20 = 28,862,101.20 : x - Step 2: Convert to fraction form
97,028,266.80/145,542,400.20 = 28,862,101.20/x - Step 3: Cross multiply
97,028,266.80x = 145,542,400.20 × 28,862,101.20 - Step 4: Simplify right side
97,028,266.80x = 4,200,659,483,463,300 - Step 5: Solve for x
x = 4,200,659,483,463,300/97,028,266.80 - Step 6: Final answer
x = 43,293,151.80
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1.5x scale
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.