Finding the Fourth Proportional to 301,519,780.16, 416,107,389.08 and 167,563,342.18
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Solution
The fourth proportional to 301,519,780.16, 416,107,389.08 and 167,563,342.18 is: 231,243,020.88
Step by Step Solution
- Step 1: Write the proportion equation
301,519,780.16 : 416,107,389.08 = 167,563,342.18 : x - Step 2: Convert to fraction form
301,519,780.16/416,107,389.08 = 167,563,342.18/x - Step 3: Cross multiply
301,519,780.16x = 416,107,389.08 × 167,563,342.18 - Step 4: Simplify right side
301,519,780.16x = 69,724,344,819,417,080 - Step 5: Solve for x
x = 69,724,344,819,417,080/301,519,780.16 - Step 6: Final answer
x = 231,243,020.88
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1.5x scale
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.