Finding the Fourth Proportional to 159,940,812.96, 239,911,219.44 and 38,772,264.96
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Solution
The fourth proportional to 159,940,812.96, 239,911,219.44 and 38,772,264.96 is: 58,158,397.44
Step by Step Solution
- Step 1: Write the proportion equation
159,940,812.96 : 239,911,219.44 = 38,772,264.96 : x - Step 2: Convert to fraction form
159,940,812.96/239,911,219.44 = 38,772,264.96/x - Step 3: Cross multiply
159,940,812.96x = 239,911,219.44 × 38,772,264.96 - Step 4: Simplify right side
159,940,812.96x = 9,301,901,367,004,382 - Step 5: Solve for x
x = 9,301,901,367,004,382/159,940,812.96 - Step 6: Final answer
x = 58,158,397.44
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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.