Finding the Fourth Proportional to 268,626,194.91, 402,293,574.54 and 153,260,982.63
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Solution
The fourth proportional to 268,626,194.91, 402,293,574.54 and 153,260,982.63 is: 229,523,068.52
Step by Step Solution
- Step 1: Write the proportion equation
268,626,194.91 : 402,293,574.54 = 153,260,982.63 : x - Step 2: Convert to fraction form
268,626,194.91/402,293,574.54 = 153,260,982.63/x - Step 3: Cross multiply
268,626,194.91x = 402,293,574.54 × 153,260,982.63 - Step 4: Simplify right side
268,626,194.91x = 61,655,908,539,735,552 - Step 5: Solve for x
x = 61,655,908,539,735,552/268,626,194.91 - Step 6: Final answer
x = 229,523,068.52
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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.