Finding the Fourth Proportional to 159,894,562.80, 239,841,844.20 and 148,415,437.20
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Solution
The fourth proportional to 159,894,562.80, 239,841,844.20 and 148,415,437.20 is: 222,623,155.80
Step by Step Solution
- Step 1: Write the proportion equation
159,894,562.80 : 239,841,844.20 = 148,415,437.20 : x - Step 2: Convert to fraction form
159,894,562.80/239,841,844.20 = 148,415,437.20/x - Step 3: Cross multiply
159,894,562.80x = 239,841,844.20 × 148,415,437.20 - Step 4: Simplify right side
159,894,562.80x = 35,596,232,165,797,280 - Step 5: Solve for x
x = 35,596,232,165,797,280/159,894,562.80 - Step 6: Final answer
x = 222,623,155.80
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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.