Finding the Fourth Proportional to 234,804,686.40, 352,207,029.60 and 147,506,644.80
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Solution
The fourth proportional to 234,804,686.40, 352,207,029.60 and 147,506,644.80 is: 221,259,967.20
Step by Step Solution
- Step 1: Write the proportion equation
234,804,686.40 : 352,207,029.60 = 147,506,644.80 : x - Step 2: Convert to fraction form
234,804,686.40/352,207,029.60 = 147,506,644.80/x - Step 3: Cross multiply
234,804,686.40x = 352,207,029.60 × 147,506,644.80 - Step 4: Simplify right side
234,804,686.40x = 51,952,877,211,270,296 - Step 5: Solve for x
x = 51,952,877,211,270,296/234,804,686.40 - Step 6: Final answer
x = 221,259,967.20
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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.