Finding the Fourth Proportional to 83,645,521.20, 125,468,281.80 and 22,234,561.20
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Solution
The fourth proportional to 83,645,521.20, 125,468,281.80 and 22,234,561.20 is: 33,351,841.80
Step by Step Solution
- Step 1: Write the proportion equation
83,645,521.20 : 125,468,281.80 = 22,234,561.20 : x - Step 2: Convert to fraction form
83,645,521.20/125,468,281.80 = 22,234,561.20/x - Step 3: Cross multiply
83,645,521.20x = 125,468,281.80 × 22,234,561.20 - Step 4: Simplify right side
83,645,521.20x = 2,789,732,190,340,946 - Step 5: Solve for x
x = 2,789,732,190,340,946/83,645,521.20 - Step 6: Final answer
x = 33,351,841.80
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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.