Finding the Fourth Proportional to 115,101,956.65, 158,842,837.74 and 62,894,373.79
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Solution
The fourth proportional to 115,101,956.65, 158,842,837.74 and 62,894,373.79 is: 86,795,403.84
Step by Step Solution
- Step 1: Write the proportion equation
115,101,956.65 : 158,842,837.74 = 62,894,373.79 : x - Step 2: Convert to fraction form
115,101,956.65/158,842,837.74 = 62,894,373.79/x - Step 3: Cross multiply
115,101,956.65x = 158,842,837.74 × 62,894,373.79 - Step 4: Simplify right side
115,101,956.65x = 9,990,320,810,683,880 - Step 5: Solve for x
x = 9,990,320,810,683,880/115,101,956.65 - Step 6: Final answer
x = 86,795,403.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.