Finding the Fourth Proportional to 75,075,984.20, 112,613,976.30 and 23,963,169.80
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Solution
The fourth proportional to 75,075,984.20, 112,613,976.30 and 23,963,169.80 is: 35,944,754.70
Step by Step Solution
- Step 1: Write the proportion equation
75,075,984.20 : 112,613,976.30 = 23,963,169.80 : x - Step 2: Convert to fraction form
75,075,984.20/112,613,976.30 = 23,963,169.80/x - Step 3: Cross multiply
75,075,984.20x = 112,613,976.30 × 23,963,169.80 - Step 4: Simplify right side
75,075,984.20x = 2,698,587,835,930,076 - Step 5: Solve for x
x = 2,698,587,835,930,076/75,075,984.20 - Step 6: Final answer
x = 35,944,754.70
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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.