Finding the Fourth Proportional to 168,423,389.13, 252,725,527.10 and 70,122,956.50
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Solution
The fourth proportional to 168,423,389.13, 252,725,527.10 and 70,122,956.50 is: 105,222,090.79
Step by Step Solution
- Step 1: Write the proportion equation
168,423,389.13 : 252,725,527.10 = 70,122,956.50 : x - Step 2: Convert to fraction form
168,423,389.13/252,725,527.10 = 70,122,956.50/x - Step 3: Cross multiply
168,423,389.13x = 252,725,527.10 × 70,122,956.50 - Step 4: Simplify right side
168,423,389.13x = 17,721,861,141,658,630 - Step 5: Solve for x
x = 17,721,861,141,658,630/168,423,389.13 - Step 6: Final answer
x = 105,222,090.79
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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.