Finding the Fourth Proportional to 316,188,332.64, 474,418,143.99 and 122,235,943.50
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Solution
The fourth proportional to 316,188,332.64, 474,418,143.99 and 122,235,943.50 is: 183,406,354.56
Step by Step Solution
- Step 1: Write the proportion equation
316,188,332.64 : 474,418,143.99 = 122,235,943.50 : x - Step 2: Convert to fraction form
316,188,332.64/474,418,143.99 = 122,235,943.50/x - Step 3: Cross multiply
316,188,332.64x = 474,418,143.99 × 122,235,943.50 - Step 4: Simplify right side
316,188,332.64x = 57,990,949,444,136,504 - Step 5: Solve for x
x = 57,990,949,444,136,504/316,188,332.64 - Step 6: Final answer
x = 183,406,354.56
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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.