Finding the Fourth Proportional to 159,438,724.08, 239,158,089.20 and 38,270,176.08
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Solution
The fourth proportional to 159,438,724.08, 239,158,089.20 and 38,270,176.08 is: 57,405,264.86
Step by Step Solution
- Step 1: Write the proportion equation
159,438,724.08 : 239,158,089.20 = 38,270,176.08 : x - Step 2: Convert to fraction form
159,438,724.08/239,158,089.20 = 38,270,176.08/x - Step 3: Cross multiply
159,438,724.08x = 239,158,089.20 × 38,270,176.08 - Step 4: Simplify right side
159,438,724.08x = 9,152,622,183,839,178 - Step 5: Solve for x
x = 9,152,622,183,839,178/159,438,724.08 - Step 6: Final answer
x = 57,405,264.86
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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.