Finding the Fourth Proportional to 153,400,655.52, 230,133,299.58 and 49,761,768.45
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Solution
The fourth proportional to 153,400,655.52, 230,133,299.58 and 49,761,768.45 is: 74,653,135.79
Step by Step Solution
- Step 1: Write the proportion equation
153,400,655.52 : 230,133,299.58 = 49,761,768.45 : x - Step 2: Convert to fraction form
153,400,655.52/230,133,299.58 = 49,761,768.45/x - Step 3: Cross multiply
153,400,655.52x = 230,133,299.58 × 49,761,768.45 - Step 4: Simplify right side
153,400,655.52x = 11,451,839,966,334,444 - Step 5: Solve for x
x = 11,451,839,966,334,444/153,400,655.52 - Step 6: Final answer
x = 74,653,135.79
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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.