Finding the Fourth Proportional to 83,478,448.26, 125,226,261.63 and 28,890,937.98
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Solution
The fourth proportional to 83,478,448.26, 125,226,261.63 and 28,890,937.98 is: 43,339,379.61
Step by Step Solution
- Step 1: Write the proportion equation
83,478,448.26 : 125,226,261.63 = 28,890,937.98 : x - Step 2: Convert to fraction form
83,478,448.26/125,226,261.63 = 28,890,937.98/x - Step 3: Cross multiply
83,478,448.26x = 125,226,261.63 × 28,890,937.98 - Step 4: Simplify right side
83,478,448.26x = 3,617,904,158,219,583.50 - Step 5: Solve for x
x = 3,617,904,158,219,583.50/83,478,448.26 - Step 6: Final answer
x = 43,339,379.61
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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.