Finding the Fourth Proportional to 159,940,815.21, 239,911,222.82 and 38,772,267.21
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Solution
The fourth proportional to 159,940,815.21, 239,911,222.82 and 38,772,267.21 is: 58,158,400.82
Step by Step Solution
- Step 1: Write the proportion equation
159,940,815.21 : 239,911,222.82 = 38,772,267.21 : x - Step 2: Convert to fraction form
159,940,815.21/239,911,222.82 = 38,772,267.21/x - Step 3: Cross multiply
159,940,815.21x = 239,911,222.82 × 38,772,267.21 - Step 4: Simplify right side
159,940,815.21x = 9,301,902,037,661,028 - Step 5: Solve for x
x = 9,301,902,037,661,028/159,940,815.21 - Step 6: Final answer
x = 58,158,400.82
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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.