Finding the Fourth Proportional to 97,880,645.99, 135,078,842.99 and 56,072,791.47
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Solution
The fourth proportional to 97,880,645.99, 135,078,842.99 and 56,072,791.47 is: 77,382,486.79
Step by Step Solution
- Step 1: Write the proportion equation
97,880,645.99 : 135,078,842.99 = 56,072,791.47 : x - Step 2: Convert to fraction form
97,880,645.99/135,078,842.99 = 56,072,791.47/x - Step 3: Cross multiply
97,880,645.99x = 135,078,842.99 × 56,072,791.47 - Step 4: Simplify right side
97,880,645.99x = 7,574,247,794,706,778 - Step 5: Solve for x
x = 7,574,247,794,706,778/97,880,645.99 - Step 6: Final answer
x = 77,382,486.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.