Finding the Fourth Proportional to 147,537,746.20, 221,306,619.30 and 45,288,497.80
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Solution
The fourth proportional to 147,537,746.20, 221,306,619.30 and 45,288,497.80 is: 67,932,746.70
Step by Step Solution
- Step 1: Write the proportion equation
147,537,746.20 : 221,306,619.30 = 45,288,497.80 : x - Step 2: Convert to fraction form
147,537,746.20/221,306,619.30 = 45,288,497.80/x - Step 3: Cross multiply
147,537,746.20x = 221,306,619.30 × 45,288,497.80 - Step 4: Simplify right side
147,537,746.20x = 10,022,644,341,293,488 - Step 5: Solve for x
x = 10,022,644,341,293,488/147,537,746.20 - Step 6: Final answer
x = 67,932,746.70
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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.