Finding the Fourth Proportional to 51,163,134.68, 76,736,459.76 and 14,275,978.90
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Solution
The fourth proportional to 51,163,134.68, 76,736,459.76 and 14,275,978.90 is: 21,411,668.52
Step by Step Solution
- Step 1: Write the proportion equation
51,163,134.68 : 76,736,459.76 = 14,275,978.90 : x - Step 2: Convert to fraction form
51,163,134.68/76,736,459.76 = 14,275,978.90/x - Step 3: Cross multiply
51,163,134.68x = 76,736,459.76 × 14,275,978.90 - Step 4: Simplify right side
51,163,134.68x = 1,095,488,080,202,618 - Step 5: Solve for x
x = 1,095,488,080,202,618/51,163,134.68 - Step 6: Final answer
x = 21,411,668.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.