Finding the Fourth Proportional to 153,400,681.68, 230,133,338.91 and 49,761,794.67
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Solution
The fourth proportional to 153,400,681.68, 230,133,338.91 and 49,761,794.67 is: 74,653,175.15
Step by Step Solution
- Step 1: Write the proportion equation
153,400,681.68 : 230,133,338.91 = 49,761,794.67 : x - Step 2: Convert to fraction form
153,400,681.68/230,133,338.91 = 49,761,794.67/x - Step 3: Cross multiply
153,400,681.68x = 230,133,338.91 × 49,761,794.67 - Step 4: Simplify right side
153,400,681.68x = 11,451,847,957,560,942 - Step 5: Solve for x
x = 11,451,847,957,560,942/153,400,681.68 - Step 6: Final answer
x = 74,653,175.15
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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.