Finding the Fourth Proportional to 153,272,024.20, 229,908,036.30 and 136,643,825.80
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Solution
The fourth proportional to 153,272,024.20, 229,908,036.30 and 136,643,825.80 is: 204,965,738.70
Step by Step Solution
- Step 1: Write the proportion equation
153,272,024.20 : 229,908,036.30 = 136,643,825.80 : x - Step 2: Convert to fraction form
153,272,024.20/229,908,036.30 = 136,643,825.80/x - Step 3: Cross multiply
153,272,024.20x = 229,908,036.30 × 136,643,825.80 - Step 4: Simplify right side
153,272,024.20x = 31,415,513,662,197,280 - Step 5: Solve for x
x = 31,415,513,662,197,280/153,272,024.20 - Step 6: Final answer
x = 204,965,738.70
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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.