Finding the Fourth Proportional to 195,555,702.20, 293,368,982.70 and 98,266,569.80
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Solution
The fourth proportional to 195,555,702.20, 293,368,982.70 and 98,266,569.80 is: 147,417,657.94
Step by Step Solution
- Step 1: Write the proportion equation
195,555,702.20 : 293,368,982.70 = 98,266,569.80 : x - Step 2: Convert to fraction form
195,555,702.20/293,368,982.70 = 98,266,569.80/x - Step 3: Cross multiply
195,555,702.20x = 293,368,982.70 × 98,266,569.80 - Step 4: Simplify right side
195,555,702.20x = 28,828,363,615,644,540 - Step 5: Solve for x
x = 28,828,363,615,644,540/195,555,702.20 - Step 6: Final answer
x = 147,417,657.94
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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.