Finding the Fourth Proportional to 77,329,007.09, 106,713,221.10 and 57,571,116.11
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Solution
The fourth proportional to 77,329,007.09, 106,713,221.10 and 57,571,116.11 is: 79,447,538.17
Step by Step Solution
- Step 1: Write the proportion equation
77,329,007.09 : 106,713,221.10 = 57,571,116.11 : x - Step 2: Convert to fraction form
77,329,007.09/106,713,221.10 = 57,571,116.11/x - Step 3: Cross multiply
77,329,007.09x = 106,713,221.10 × 57,571,116.11 - Step 4: Simplify right side
77,329,007.09x = 6,143,599,242,420,202 - Step 5: Solve for x
x = 6,143,599,242,420,202/77,329,007.09 - Step 6: Final answer
x = 79,447,538.17
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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.